diff --git a/js/table/relation.js b/js/table/relation.js
index ac4cb48c00..cdfdf64ee5 100644
--- a/js/table/relation.js
+++ b/js/table/relation.js
@@ -190,8 +190,12 @@ AJAX.registerOnload('table/relation.js', function () {
         $newRow.find('a.add_foreign_key_field').attr('data-index', newIndex);
 
         // Update form parameter names.
-        $newRow.find('select[name^="foreign_key_fields_name"]').not().first().find(
-            'select[name^="destination_foreign_column"]').not().first()
+        $newRow.find('select[name^="foreign_key_fields_name"]')
+           .not($newRow.find('select[name^="foreign_key_fields_name"]').first())
+              .find('select[name^="destination_foreign_column"]')
+              .not($newRow.find('select[name^="foreign_key_fields_name"]')
+                  .not($newRow.find('select[name^="foreign_key_fields_name"]').first())
+                  .find('select[name^="destination_foreign_column"]').first())
             .each(function () {
                 $(this).parent().remove();
             });