diff --git a/sortt.js b/sortt.js
index fbfcdeb..342d5d0 100644
--- a/sortt.js
+++ b/sortt.js
@@ -51,9 +51,9 @@ window.sortt=function(normsort,revsort,isdefault){
     }
 
     if (url_sort != normsort) {
-      url_new = tmp.substr(0,window.location.search.indexOf("sort=")+5) + normsort + tmp;
+      url_new +=  window.location.search.substr(0,window.location.search.indexOf("sort=")+5) + normsort + tmp;
     } else if (revsort != "") {
-      url_new = tmp.substr(0,window.location.search.indexOf("sort=")+5) + revsort + tmp;
+      url_new +=  window.location.search.substr(0,window.location.search.indexOf("sort=")+5) + revsort + tmp;
     }
   }