diff --git a/lib/6to5/traverse/scope.js b/lib/6to5/traverse/scope.js
index e5acde3244..0f6b1cf976 100644
--- a/lib/6to5/traverse/scope.js
+++ b/lib/6to5/traverse/scope.js
@@ -93,7 +93,7 @@ Scope.prototype.getInfo = function () {
 
         // this block is a function so we'll stop since none of the variables
         // declared within are accessible
-        if (t.isFunction(node)) return false;
+        if (t.isFunction(node)) return this.stop();
 
         // function identifier doesn't belong to this scope
         if (block.id && node === block.id) return;