diff --git a/rhodecode/templates/pullrequests/pullrequest.html b/rhodecode/templates/pullrequests/pullrequest.html
--- a/rhodecode/templates/pullrequests/pullrequest.html
+++ b/rhodecode/templates/pullrequests/pullrequest.html
@@ -161,12 +161,19 @@
       ypjax(url,'pull_request_overview', function(data){
           var sel_box = YUQ('#pull_request_form #other_repo')[0];
           var repo_name = sel_box.options[sel_box.selectedIndex].value;
+          YUD.get('other_repo_desc').innerHTML = other_repos_info[repo_name]['description'];
+          // replace options of other_ref with the ones for the current other_repo
+          var other_ref_selector = YUD.get('other_ref');
+          var new_select = YUD.createElementFromMarkup(other_repos_info[repo_name]['revs']);
+          var new_selectedIndex = new_select.selectedIndex;
+          other_ref_selector.innerHTML = ""; // clear old options
+          while (new_select.length > 0){ // children will be popped when appened to other_ref_selector
+              other_ref_selector.appendChild(new_select.children[0]);
+          }
+          // browsers lost track of selected when appendChild was used
+          other_ref_selector.selectedIndex = new_selectedIndex;
+          // reset && add the reviewer based on selected repo
           var _data = other_repos_info[repo_name];
-          YUD.get('other_repo_desc').innerHTML = other_repos_info[repo_name]['description'];
-          YUD.get('other_ref').innerHTML = other_repos_info[repo_name]['revs'];
-          // select back the revision that was just compared
-          setSelectValue(YUD.get('other_ref'), rev_data['other_ref']);
-          // reset && add the reviewer based on selected repo
           YUD.get('review_members').innerHTML = '';
           addReviewMember(_data.user.user_id, _data.user.firstname,
                           _data.user.lastname, _data.user.username,
@@ -182,8 +189,6 @@
 
   YUE.on('other_repo', 'change', function(e){
       var repo_name = e.currentTarget.value;
-      // replace the <select> of changed repo
-      YUD.get('other_ref').innerHTML = other_repos_info[repo_name]['revs'];
       loadPreview();
   });