diff --git a/Shorewall-lite/Makefile b/Shorewall-lite/Makefile
index 591d5fa11..8c27979e0 100644
--- a/Shorewall-lite/Makefile
+++ b/Shorewall-lite/Makefile
@@ -3,9 +3,9 @@ VARDIR=$(shell /sbin/shorewall-lite show vardir)
 SHAREDIR=/usr/share/shorewall-lite
 RESTOREFILE?=.restore
 
-all: $(VARDIR)/${RESTOREFILE}
+all: $(VARDIR)/$(RESTOREFILE)
 
-$(VARDIR)/${RESTOREFILE}: $(VARDIR)/firewall
+$(VARDIR)/$(RESTOREFILE): $(VARDIR)/firewall
 	@/sbin/shorewall-lite -q save >/dev/null; \
 	if \
 	    /sbin/shorewall-lite -q restart >/dev/null 2>&1; \
diff --git a/Shorewall/Makefile b/Shorewall/Makefile
index 80f511dfa..e5ba97e18 100644
--- a/Shorewall/Makefile
+++ b/Shorewall/Makefile
@@ -3,9 +3,9 @@ VARDIR=$(shell /sbin/shorewall show vardir)
 CONFDIR=/etc/shorewall
 RESTOREFILE?=firewall
 
-all: $(VARDIR)/${RESTOREFILE}
+all: $(VARDIR)/$(RESTOREFILE)
 
-$(VARDIR)/${RESTOREFILE}: $(CONFDIR)/*
+$(VARDIR)/$(RESTOREFILE): $(CONFDIR)/*
 	@/sbin/shorewall -q save >/dev/null; \
 	if \
 	    /sbin/shorewall -q restart >/dev/null 2>&1; \
diff --git a/Shorewall6-lite/Makefile b/Shorewall6-lite/Makefile
index a7a8ba78e..604ab514d 100644
--- a/Shorewall6-lite/Makefile
+++ b/Shorewall6-lite/Makefile
@@ -3,9 +3,9 @@ VARDIR=$(shell /sbin/shorewall6-lite show vardir)
 SHAREDIR=/usr/share/shorewall6-lite
 RESTOREFILE?=.restore
 
-all: $(VARDIR)/${RESTOREFILE}
+all: $(VARDIR)/$(RESTOREFILE)
 
-$(VARDIR)/${RESTOREFILE}: $(VARDIR)/firewall
+$(VARDIR)/$(RESTOREFILE): $(VARDIR)/firewall
 	@/sbin/shorewall6-lite -q save >/dev/null; \
 	if \
 	    /sbin/shorewall6-lite -q restart >/dev/null 2>&1; \
diff --git a/Shorewall6/Makefile b/Shorewall6/Makefile
index a05377601..35e09d070 100644
--- a/Shorewall6/Makefile
+++ b/Shorewall6/Makefile
@@ -3,9 +3,9 @@ VARDIR=$(shell /sbin/shorewall6 show vardir)
 CONFDIR=/etc/shorewall6
 RESTOREFILE?=firewall
 
-all: $(VARDIR)/${RESTOREFILE}
+all: $(VARDIR)/$(RESTOREFILE)
 
-$(VARDIR)/${RESTOREFILE}: $(CONFDIR)/*
+$(VARDIR)/$(RESTOREFILE): $(CONFDIR)/*
 	@/sbin/shorewall6 -q save >/dev/null; \
 	if \
 	    /sbin/shorewall6 -q restart >/dev/null 2>&1; \