diff --git a/plugins/ps/commands b/plugins/ps/commands
index d0ae01076..1cd69b1ab 100755
--- a/plugins/ps/commands
+++ b/plugins/ps/commands
@@ -67,6 +67,7 @@ case "$1" in
   ;;
 
   ps:restartall)
+    shopt -s nullglob
     for app in $DOKKU_ROOT/*/CONTAINER; do
       APP=$(basename "$(dirname $app)");
       dokku ps:restart $APP