diff --git a/src/lib/template/array-selector.html b/src/lib/template/array-selector.html
index 613b898f9f..84fe2e0578 100644
--- a/src/lib/template/array-selector.html
+++ b/src/lib/template/array-selector.html
@@ -197,7 +197,7 @@
           }
         } else {
           this.push('selected', item);
-          skey = this._selectedColl.getKey(item);
+          var skey = this._selectedColl.getKey(item);
           this.linkPaths('selected.' + skey, 'items.' + key);
         }
       } else {