diff --git a/js/tools.js b/js/tools.js
index 5a62b2f77..ee799ad66 100644
--- a/js/tools.js
+++ b/js/tools.js
@@ -276,7 +276,7 @@ function isArrowKey(k_ev)
 	var unicode=k_ev.keyCode? k_ev.keyCode : k_ev.charCode;
 	if (unicode >= 37 && unicode <= 40)
 		return true;
-
+	return false;
 }
 
 //On dom ready