diff --git a/Shorewall/init.debian.sh b/Shorewall/init.debian.sh
index 4cc0398fc..b6367966b 100755
--- a/Shorewall/init.debian.sh
+++ b/Shorewall/init.debian.sh
@@ -38,6 +38,7 @@ echo_notdone () {
 	  echo "not done (check $INITLOG)."
   fi
 
+  exit 1
 }
 
 not_configured () {