diff --git a/test/staging/sm/lexical-environment/for-loop.js b/test/staging/sm/lexical-environment/for-loop.js
index 17005a002e..c4ac829045 100644
--- a/test/staging/sm/lexical-environment/for-loop.js
+++ b/test/staging/sm/lexical-environment/for-loop.js
@@ -26,8 +26,8 @@ function isOK(code)
 isError("for (const x; ; ) ;", SyntaxError);
 isError("for (const x = 5, y; ; ) ;", SyntaxError);
 isError("for (const [z]; ; ) ;", SyntaxError);
-//isError("for (const [z, z]; ; ) ;", SyntaxError);
-//isError("for (const [z, z] = [0, 1]; ; ) ;", SyntaxError);
+isError("for (const [z, z]; ; ) ;", SyntaxError);
+isError("for (const [z, z] = [0, 1]; ; ) ;", SyntaxError);
 
 isOK("for (let x; ; ) ;");
 isOK("for (let x = 5, y; ; ) ;");