diff --git a/Python/ast.c b/Python/ast.c
index 9354b59..a9bc2d4 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -1341,7 +1341,7 @@
 				       "backquote not supported in 3.x",
 				       "<unknown>", LINENO(n),
 				       NULL, NULL)) {
-			; //return NULL;
+			return NULL;
 		}
 	}
         expr_ty expression = ast_for_testlist(c, CHILD(n, 1));