diff --git a/js/makegrid.js b/js/makegrid.js
index 417e0ead8f..20819e8200 100644
--- a/js/makegrid.js
+++ b/js/makegrid.js
@@ -1429,7 +1429,7 @@
         });
         $(window).bind('beforeunload', function(e) {
             if (g.isCellEdited) {
-                g.saveCellWarning;
+                return g.saveCellWarning;
             }
         });