diff --git a/screen_panel b/screen_panel
index d8bc591..cd1ab88 100755
--- a/screen_panel
+++ b/screen_panel
@@ -31,4 +31,4 @@ echo "ScreenPanel" ${SP_VER}
      -cam_srv_url=sf-daqsync-01:8888 \
      -laf=darcula \
      -persist \
-     $@
+     ${1+"$@"}