diff --git a/Shorewall2/changelog.txt b/Shorewall2/changelog.txt
index 0071d0f1a..165ab7bf2 100644
--- a/Shorewall2/changelog.txt
+++ b/Shorewall2/changelog.txt
@@ -17,3 +17,5 @@ Changes since 2.0.2
 7) Correct reporting of installation directory in install.sh.
 
 8) Added the 'rejectNonSyn' standard built-in action.
+
+9) Merged Tuomo Soini's patch to the install script.
diff --git a/Shorewall2/install.sh b/Shorewall2/install.sh
index 6e882dbeb..26202e4d0 100755
--- a/Shorewall2/install.sh
+++ b/Shorewall2/install.sh
@@ -87,11 +87,20 @@ install_file_with_backup() # $1 = source $2 = target $3 = mode
 # RUNLEVELS is the chkconfig parmeters for firewall
 # ARGS is "yes" if we've already parsed an argument
 #
-DEST="/etc/init.d"
-INIT="shorewall"
-RUNLEVELS=""
 ARGS=""
 
+if [ -z "$DEST" ] ; then
+	DEST="/etc/init.d"
+fi
+
+if [ -z "$INIT" ] ; then
+	INIT="shorewall"
+fi
+
+if [ -z "$RUNLEVELS" ] ; then
+	RUNLEVELS=""
+fi
+
 if [ -z "$OWNER" ] ; then
 	OWNER=root
 fi
diff --git a/Shorewall2/releasenotes.txt b/Shorewall2/releasenotes.txt
index d57422947..8cb1f6be4 100755
--- a/Shorewall2/releasenotes.txt
+++ b/Shorewall2/releasenotes.txt
@@ -84,3 +84,12 @@ New Features:
 
          dropNotSyn    net	  all	tcp
 
+4) Slackware users no longer have to modify the install.sh script
+   before installation. Tuomo Soini has provided a change that allows
+   the INIT and FIREWALL variables to be specified outside the script
+   as in:
+
+      DEST=/etc/rc.d INIT=rc.firewall ./install.sh
+
+ 
+