diff --git a/lib/6to5/types/index.js b/lib/6to5/types/index.js
index d403372d4b..175fa2c117 100644
--- a/lib/6to5/types/index.js
+++ b/lib/6to5/types/index.js
@@ -185,6 +185,8 @@ t.getIds = function (node, map) {
       search = search.concat(id.specifiers);
     } else if (t.isMemberExpression(id)) {
       search.push(id.object);
+    } else if (t.isParenthesizedExpression(id)) {
+      search.push(id.expression);
     }
   }