diff --git a/image/mk_europe_edition64.sh b/image/mk_europe_edition64.sh
index 48149379f..cf59ae4cd 100755
--- a/image/mk_europe_edition64.sh
+++ b/image/mk_europe_edition64.sh
@@ -18,6 +18,7 @@ die() {
 if [ "$#" -ne 2 ]; then
     echo "Usage: " $0 " dev|prod branch [us]"
     echo "if \"us\" is given, an image with US-like pre-configuration and without developer mode enabled will be created as well"
+    exit 1
 fi
 
 # cd to script directory