diff --git a/packages/babel-plugin-transform-block-scoping/src/index.js b/packages/babel-plugin-transform-block-scoping/src/index.js
index 3a9576a525fe..64dfeb2d0cd0 100644
--- a/packages/babel-plugin-transform-block-scoping/src/index.js
+++ b/packages/babel-plugin-transform-block-scoping/src/index.js
@@ -42,6 +42,7 @@ export default declare((api, opts) => {
           }
 
           node._blockHoist = 2;
+          node._tdzThis = false;
 
           if (path.isCompletionRecord()) {
             // ensure we don't break completion record semantics by returning