diff --git a/lib/6to5/types/index.js b/lib/6to5/types/index.js
index 918268d418..c921215e4f 100644
--- a/lib/6to5/types/index.js
+++ b/lib/6to5/types/index.js
@@ -106,6 +106,10 @@ t.ensureBlock = function (node) {
 };
 
 t.toStatement = function (node, ignore) {
+  if (t.isStatement(node)) {
+    return node;
+  }
+
   var mustHaveId = false;
   var newType;
 
@@ -115,8 +119,6 @@ t.toStatement = function (node, ignore) {
   } else if (t.isFunction(node)) {
     mustHaveId = true;
     newType = "FunctionDeclaration";
-  } else if (t.isStatement(node)) {
-    newType = node.type;
   }
 
   if (mustHaveId && !node.id) {