diff --git a/lib/ace/keyboard/keybinding.js b/lib/ace/keyboard/keybinding.js
index d8fe9fdc..e1ab4faf 100644
--- a/lib/ace/keyboard/keybinding.js
+++ b/lib/ace/keyboard/keybinding.js
@@ -80,7 +80,7 @@ var KeyBinding = function(editor) {
             var toExecute = this.$handlers[i].handleKeyboard(
                 this.$data, hashId, keyString, keyCode, e
             );
-            if (toExecute)
+            if (toExecute && toExecute.command)
                 break;
         }