diff --git a/js/relation-select.js b/js/relation-select.js
index 5a5ee6e..d38fc31 100644
--- a/js/relation-select.js
+++ b/js/relation-select.js
@@ -66,7 +66,7 @@
         // Check selected & add event handler: row clicked
         $('.views-view-relation-select tr', context).once(
             function(){
-              id = $(this).parents('.relation-select-views-output').siblings(
+              var id = $(this).parents('.relation-select-views-output').siblings(
                   '.relation-select-entities').attr("id");
               var entitydata = $(this).attr('data-entity');
               if(getInput(id, entitydata).length) {