diff --git a/scm-webapp/src/main/webapp/resources/js/override/ext.form.field.js b/scm-webapp/src/main/webapp/resources/js/override/ext.form.field.js
index 61abb54b88..2a66bfe8b0 100644
--- a/scm-webapp/src/main/webapp/resources/js/override/ext.form.field.js
+++ b/scm-webapp/src/main/webapp/resources/js/override/ext.form.field.js
@@ -71,6 +71,8 @@ Ext.override(Ext.form.Field, {
 
     switch ( this.getXType() ){
       case 'combo':
+      case 'repositoryBranchComboBox':
+      case 'repositoryTagComboBox':
         if ( this.readOnly ){
           cls = 'scm-form-help-button';
         } else {