diff --git a/themes/bootstrap3/js/common.js b/themes/bootstrap3/js/common.js
index 2bab168d847cc9f91aa93ec60a787ab9f8877e02..63cc5a345fcb7c0da1fe9ae5bb530138026ebb82 100644
--- a/themes/bootstrap3/js/common.js
+++ b/themes/bootstrap3/js/common.js
@@ -50,6 +50,9 @@ function html_entity_decode(string, quote_style)
 
 // Turn GET string into array
 function deparam(url) {
+  if(!url.match(/\?/)) {
+    return [];
+  }
   var request = {};
   var pairs = url.substring(url.indexOf('?') + 1).split('&');
   for (var i = 0; i < pairs.length; i++) {