diff --git a/Shorewall-init/install.sh b/Shorewall-init/install.sh
index 4a026c468..9fae4244f 100755
--- a/Shorewall-init/install.sh
+++ b/Shorewall-init/install.sh
@@ -312,7 +312,7 @@ fi
 if [ $HOST = debian ]; then
     if [ -n "${DESTDIR}" ]; then
 	mkdir -p ${DESTDIR}/etc/network/if-up.d/
-	mkdir -p ${DESTDIR}/etc/network/if-post-down.d/
+	mkdir -p ${DESTDIR}/etc/network/if-down.d/
     fi
 
     if [ ! -f ${DESTDIR}/etc/default/shorewall-init ]; then
@@ -359,8 +359,9 @@ fi
 
 case $HOST in
     debian)
+	rm -f ${DESTDIR}/etc/network/if-post-down.d/shorewall
 	install_file ifupdown ${DESTDIR}/etc/network/if-up.d/shorewall 0544
-	install_file ifupdown ${DESTDIR}/etc/network/if-post-down.d/shorewall 0544
+	install_file ifupdown ${DESTDIR}/etc/network/if-down.d/shorewall 0544
 	;;
     suse)
 	if [ -z "$RPM" ]; then