diff --git a/Shorewall-core/configure b/Shorewall-core/configure
index 046790459..6fb055198 100755
--- a/Shorewall-core/configure
+++ b/Shorewall-core/configure
@@ -195,6 +195,10 @@ elif [ -n "${options[VARDIR]}" ]; then
     fi
 fi
 
+if [ -z "${options[SYSTEMDDIR]}" ]; then
+    $options[SYSTEMDDIR]="${options[SYSTEMD]}"
+fi
+
 for on in \
     HOST \
     PREFIX \
@@ -209,7 +213,7 @@ for on in \
     INITFILE \
     AUXINITSOURCE \
     AUXINITFILE \
-    SYSTEMD \
+    SYSTEMDDIR \
     SERVICEFILE \
     SYSCONFFILE \
     SYSCONFDIR \
diff --git a/Shorewall-core/configure.pl b/Shorewall-core/configure.pl
index afe078a6f..8ddec6852 100755
--- a/Shorewall-core/configure.pl
+++ b/Shorewall-core/configure.pl
@@ -154,6 +154,8 @@ if ( $options{VARLIB} ) {
     $options{VARDIR} = '${VARLIB}/${PRODUCT}';
 }
 
+$options{SYSTEMDDIR}=$options{SYSTEMD} unless $options{SYSTEMDDIR};
+
 for ( qw/ HOST
 	  PREFIX
 	  SHAREDIR
@@ -167,7 +169,7 @@ for ( qw/ HOST
 	  INITFILE
 	  AUXINITSOURCE
 	  AUXINITFILE
-	  SYSTEMD
+	  SYSTEMDDIR
           SERVICEFILE
 	  SYSCONFFILE
 	  SYSCONFDIR
diff --git a/Shorewall-core/install.sh b/Shorewall-core/install.sh
index 152d03e9c..af635bf76 100755
--- a/Shorewall-core/install.sh
+++ b/Shorewall-core/install.sh
@@ -329,9 +329,13 @@ if [ -n "${SYSCONFDIR}" ]; then
     chmod 755 ${DESTDIR}${SYSCONFDIR}
 fi
 
-if [ -n "${SYSTEMD}" ]; then
-    mkdir -p ${DESTDIR}${SYSTEMD}
-    chmod 755 ${DESTDIR}${SYSTEMD}
+if [ -z "${SYSTEMDDIR}" ]; then
+    SYSTEMDDIR="$SYSTEMD"
+fi
+
+if [ -n "${SYSTEMDDIR}" ]; then
+    mkdir -p ${DESTDIR}${SYSTEMDDIR}
+    chmod 755 ${DESTDIR}${SYSTEMDDIR}
 fi
 
 mkdir -p ${DESTDIR}${SBINDIR}
diff --git a/Shorewall-core/shorewallrc.apple b/Shorewall-core/shorewallrc.apple
index e7ced9077..eb422a4ff 100644
--- a/Shorewall-core/shorewallrc.apple
+++ b/Shorewall-core/shorewallrc.apple
@@ -14,7 +14,7 @@ INITDIR=                               #Unused on OS X
 INITFILE=                              #Unused on OS X
 INITSOURCE=                            #Unused on OS X
 ANNOTATED=                             #Unused on OS X
-SYSTEMD=                               #Unused on OS X
+SYSTEMDDIR=                            #Unused on OS X
 SERVICEFILE=                           #Unused on OS X
 SYSCONFDIR=                            #Unused on OS X
 SPARSE=Yes                             #Only install $PRODUCT/$PRODUCT.conf in $CONFDIR.
diff --git a/Shorewall-core/shorewallrc.archlinux b/Shorewall-core/shorewallrc.archlinux
index 725d6db9b..dd1375d80 100644
--- a/Shorewall-core/shorewallrc.archlinux
+++ b/Shorewall-core/shorewallrc.archlinux
@@ -15,7 +15,7 @@ INITFILE=                              #Name of the product's installed SysV ini
 INITSOURCE=                            #Name of the distributed file to be installed as the SysV init script
 ANNOTATED=                             #If non-zero, annotated configuration files are installed
 SYSCONFDIR=                            #Directory where SysV init parameter files are installed
-SYSTEMD=/usr/lib/systemd/system        #Directory where .service files are installed (systems running systemd only)
+SYSTEMDDIR=/usr/lib/systemd/system     #Directory where .service files are installed (systems running systemd only)
 SERVICEFILE=                           #Name of the file to install in $SYSTEMD. Default is $PRODUCT.service
 SPARSE=                                #If non-empty, only install $PRODUCT/$PRODUCT.conf in $CONFDIR
 VARLIB=/var/lib                        #Directory where product variable data is stored.
diff --git a/Shorewall-core/shorewallrc.cygwin b/Shorewall-core/shorewallrc.cygwin
index e3f477169..72994d46e 100644
--- a/Shorewall-core/shorewallrc.cygwin
+++ b/Shorewall-core/shorewallrc.cygwin
@@ -14,7 +14,7 @@ INITDIR=/etc/init.d                   #Unused on Cygwin
 INITFILE=                             #Unused on Cygwin
 INITSOURCE=                           #Unused on Cygwin
 ANNOTATED=                            #Unused on Cygwin
-SYSTEMD=                              #Unused on Cygwin
+SYSTEMDDIR=                           #Unused on Cygwin
 SERVICEFILE=                          #Unused on Cygwin
 SYSCONFDIR=                           #Unused on Cygwin
 SPARSE=Yes                            #Only install $PRODUCT/$PRODUCT.conf in $CONFDIR.
diff --git a/Shorewall-core/shorewallrc.debian b/Shorewall-core/shorewallrc.debian
index e814a8a91..345aff337 100644
--- a/Shorewall-core/shorewallrc.debian
+++ b/Shorewall-core/shorewallrc.debian
@@ -17,7 +17,7 @@ ANNOTATED=                              #If non-zero, annotated configuration fi
 SYSCONFFILE=default.debian              #Name of the distributed file to be installed in $SYSCONFDIR
 SERVICEFILE=                      	#Name of the file to install in $SYSTEMD. Default is $PRODUCT.service
 SYSCONFDIR=/etc/default                 #Directory where SysV init parameter files are installed
-SYSTEMD=                                #Directory where .service files are installed (systems running systemd only)
+SYSTEMDDIR=                             #Directory where .service files are installed (systems running systemd only)
 SPARSE=Yes                              #If non-empty, only install $PRODUCT/$PRODUCT.conf in $CONFDIR
 VARLIB=/var/lib                         #Directory where product variable data is stored.
 VARDIR=${VARLIB}/$PRODUCT               #Directory where product variable data is stored.
diff --git a/Shorewall-core/shorewallrc.default b/Shorewall-core/shorewallrc.default
index 1d7e89906..5f875bad0 100644
--- a/Shorewall-core/shorewallrc.default
+++ b/Shorewall-core/shorewallrc.default
@@ -14,7 +14,7 @@ INITDIR=/etc/init.d                     #Directory where SysV init scripts are i
 INITFILE=$PRODUCT                       #Name of the product's installed SysV init script
 INITSOURCE=init.sh                      #Name of the distributed file to be installed as the SysV init script
 ANNOTATED=                              #If non-zero, annotated configuration files are installed
-SYSTEMD=                                #Directory where .service files are installed (systems running systemd only)
+SYSTEMDDIR=                             #Directory where .service files are installed (systems running systemd only)
 SERVICEFILE=                            #Name of the file to install in $SYSTEMD. Default is $PRODUCT.service
 SYSCONFFILE=                            #Name of the distributed file to be installed in $SYSCONFDIR
 SYSCONFDIR=                             #Directory where SysV init parameter files are installed
diff --git a/Shorewall-core/shorewallrc.redhat b/Shorewall-core/shorewallrc.redhat
index 2960dec4a..dfc8d1189 100644
--- a/Shorewall-core/shorewallrc.redhat
+++ b/Shorewall-core/shorewallrc.redhat
@@ -14,7 +14,7 @@ INITDIR=/etc/rc.d/init.d                #Directory where SysV init scripts are i
 INITFILE=$PRODUCT                       #Name of the product's installed SysV init script
 INITSOURCE=init.fedora.sh               #Name of the distributed file to be installed as the SysV init script
 ANNOTATED=                              #If non-zero, annotated configuration files are installed
-SYSTEMD=/lib/systemd/system             #Directory where .service files are installed (systems running systemd only)
+SYSTEMDDIR=/lib/systemd/system          #Directory where .service files are installed (systems running systemd only)
 SYSCONFFILE=sysconfig                   #Name of the distributed file to be installed as $SYSCONFDIR/$PRODUCT
 SERVICEFILE=                      	#Name of the file to install in $SYSTEMD. Default is $PRODUCT.service
 SYSCONFDIR=/etc/sysconfig/              #Directory where SysV init parameter files are installed
diff --git a/Shorewall-core/shorewallrc.slackware b/Shorewall-core/shorewallrc.slackware
index e0dd0a8ce..4a9a0b0b9 100644
--- a/Shorewall-core/shorewallrc.slackware
+++ b/Shorewall-core/shorewallrc.slackware
@@ -15,7 +15,7 @@ AUXINITSOURCE=init.slackware.firewall.sh   #Name of the distributed file to be i
 AUXINITFILE=rc.firewall                    #Name of the product's installed SysV init script
 INITSOURCE=init.slackware.$PRODUCT.sh      #Name of the distributed file to be installed as a second SysV init script
 INITFILE=rc.$PRODUCT                       #Name of the product's installed second init script
-SYSTEMD=                                   #Name of the directory where .service files are installed (systems running systemd only)
+SYSTEMDDIR=                                #Name of the directory where .service files are installed (systems running systemd only)
 SERVICEFILE=                               #Name of the file to install in $SYSTEMD. Default is $PRODUCT.service
 SYSCONFFILE=                               #Name of the distributed file to be installed in $SYSCONFDIR
 SYSCONFDIR=                                #Name of the directory where SysV init parameter files are installed.
diff --git a/Shorewall-core/shorewallrc.suse b/Shorewall-core/shorewallrc.suse
index 558180364..54f35e69a 100644
--- a/Shorewall-core/shorewallrc.suse
+++ b/Shorewall-core/shorewallrc.suse
@@ -14,7 +14,7 @@ INITDIR=/etc/init.d                                   #Directory where SysV init
 INITFILE=$PRODUCT                                     #Name of the product's SysV init script
 INITSOURCE=init.suse.sh                               #Name of the distributed file to be installed as the SysV init script
 ANNOTATED=                                            #If non-zero, annotated configuration files are installed
-SYSTEMD=                                              #Directory where .service files are installed (systems running systemd only)
+SYSTEMDDIR=                                           #Directory where .service files are installed (systems running systemd only)
 SERVICEFILE=                      		      #Name of the file to install in $SYSTEMD. Default is $PRODUCT.service
 SYSCONFFILE=sysconfig                                 #Name of the distributed file to be installed in $SYSCONFDIR
 SYSCONFDIR=/etc/sysconfig/                            #Directory where SysV init parameter files are installed
diff --git a/Shorewall-init/install.sh b/Shorewall-init/install.sh
index f3709978e..0f37b5707 100755
--- a/Shorewall-init/install.sh
+++ b/Shorewall-init/install.sh
@@ -330,12 +330,16 @@ fi
 #
 # Install the .service file
 #
-if [ -n "$SYSTEMD" ]; then
-    mkdir -p ${DESTDIR}${SYSTEMD}
+if [ -z "${SYSTEMDDIR}" ]; then
+    SYSTEMDDIR="$SYSTEMD"
+fi
+
+if [ -n "$SYSTEMDDIR" ]; then
+    mkdir -p ${DESTDIR}${SYSTEMDDIR}
     [ -z "$SERVICEFILE" ] && SERVICEFILE=$PRODUCT.service
-    run_install $OWNERSHIP -m 644 $SERVICEFILE ${DESTDIR}${SYSTEMD}/$PRODUCT.service
-    [ ${SBINDIR} != /sbin ] && eval sed -i \'s\|/sbin/\|${SBINDIR}/\|\' ${DESTDIR}${SYSTEMD}/$PRODUCT.service
-    echo "Service file $SERVICEFILE installed as ${DESTDIR}${SYSTEMD}/$PRODUCT.service"
+    run_install $OWNERSHIP -m 644 $SERVICEFILE ${DESTDIR}${SYSTEMDDIR}/$PRODUCT.service
+    [ ${SBINDIR} != /sbin ] && eval sed -i \'s\|/sbin/\|${SBINDIR}/\|\' ${DESTDIR}${SYSTEMDDIR}/$PRODUCT.service
+    echo "Service file $SERVICEFILE installed as ${DESTDIR}${SYSTEMDDIR}/$PRODUCT.service"
     if [ -n "$DESTDIR" ]; then
 	mkdir -p ${DESTDIR}${SBINDIR}
         chmod 755 ${DESTDIR}${SBINDIR}
@@ -515,7 +519,7 @@ if [ -z "$DESTDIR" ]; then
 	    # not by the installer
 	    /bin/true
 	else
-	    if [ -n "$SYSTEMD" ]; then
+	    if [ -n "$SYSTEMDDIR" ]; then
 		if systemctl enable shorewall-init.service; then
 		    echo "Shorewall Init will start automatically at boot"
 		fi
diff --git a/Shorewall-lite/install.sh b/Shorewall-lite/install.sh
index abb74c0cd..3cc17033b 100755
--- a/Shorewall-lite/install.sh
+++ b/Shorewall-lite/install.sh
@@ -392,12 +392,16 @@ fi
 #
 # Install the .service file
 #
-if [ -n "$SYSTEMD" ]; then
-    mkdir -p ${DESTDIR}${SYSTEMD}
+if [ -z "${SYSTEMDDIR}" ]; then
+    SYSTEMDDIR="$SYSTEMD"
+fi
+
+if [ -n "$SYSTEMDDIR" ]; then
+    mkdir -p ${DESTDIR}${SYSTEMDDIR}
     [ -z "$SERVICEFILE" ] && SERVICEFILE=$PRODUCT.service
-    run_install $OWNERSHIP -m 644 $SERVICEFILE ${DESTDIR}${SYSTEMD}/$PRODUCT.service
-    [ ${SBINDIR} != /sbin ] && eval sed -i \'s\|/sbin/\|${SBINDIR}/\|\' ${DESTDIR}${SYSTEMD}/$PRODUCT.service
-    echo "Service file $SERVICEFILE installed as ${DESTDIR}${SYSTEMD}/$PRODUCT.service"
+    run_install $OWNERSHIP -m 644 $SERVICEFILE ${DESTDIR}${SYSTEMDDIR}/$PRODUCT.service
+    [ ${SBINDIR} != /sbin ] && eval sed -i \'s\|/sbin/\|${SBINDIR}/\|\' ${DESTDIR}${SYSTEMDDIR}/$PRODUCT.service
+    echo "Service file $SERVICEFILE installed as ${DESTDIR}${SYSTEMDDIR}/$PRODUCT.service"
 fi
 #
 # Install the config file
@@ -539,7 +543,7 @@ if [ ${SHAREDIR} != /usr/share ]; then
 fi
 
 if [ $configure -eq 1 -a -z "$DESTDIR" -a -n "$first_install" -a -z "${cygwin}${mac}" ]; then
-    if [ -n "$SYSTEMD" ]; then
+    if [ -n "$SYSTEMDDIR" ]; then
 	if systemctl enable ${PRODUCT}.service; then
 	    echo "$Product will start automatically at boot"
 	fi
diff --git a/Shorewall/install.sh b/Shorewall/install.sh
index 9761d636e..147a27013 100755
--- a/Shorewall/install.sh
+++ b/Shorewall/install.sh
@@ -425,12 +425,16 @@ fi
 #
 # Install the .service file
 #
-if [ -n "$SYSTEMD" ]; then
-    mkdir -p ${DESTDIR}${SYSTEMD}
+if [ -z "${SYSTEMDDIR}" ]; then
+    SYSTEMDDIR="$SYSTEMD"
+fi
+
+if [ -n "$SYSTEMDDIR" ]; then
+    mkdir -p ${DESTDIR}${SYSTEMDDIR}
     [ -z "$SERVICEFILE" ] && SERVICEFILE=$PRODUCT.service
-    run_install $OWNERSHIP -m 644 $SERVICEFILE ${DESTDIR}${SYSTEMD}/$PRODUCT.service
-    [ ${SBINDIR} != /sbin ] && eval sed -i \'s\|/sbin/\|${SBINDIR}/\|\' ${DESTDIR}${SYSTEMD}/$PRODUCT.service
-    echo "Service file $SERVICEFILE installed as ${DESTDIR}${SYSTEMD}/$PRODUCT.service"
+    run_install $OWNERSHIP -m 644 $SERVICEFILE ${DESTDIR}${SYSTEMDDIR}/$PRODUCT.service
+    [ ${SBINDIR} != /sbin ] && eval sed -i \'s\|/sbin/\|${SBINDIR}/\|\' ${DESTDIR}${SYSTEMDDIR}/$PRODUCT.service
+    echo "Service file $SERVICEFILE installed as ${DESTDIR}${SYSTEMDDIR}/$PRODUCT.service"
 fi
 
 #
@@ -1176,7 +1180,7 @@ if [ -n "$SYSCONFFILE" -a -f "$SYSCONFFILE" -a ! -f ${DESTDIR}${SYSCONFDIR}/${PR
 fi
 
 if [ $configure -eq 1 -a -z "$DESTDIR" -a -n "$first_install" -a -z "${cygwin}${mac}" ]; then
-    if [ -n "$SYSTEMD" ]; then
+    if [ -n "$SYSTEMDDIR" ]; then
 	if systemctl enable ${PRODUCT}.service; then
 	    echo "$Product will start automatically at boot"
 	fi