diff --git a/0001-add-to-parser.patch b/0001-add-to-parser.patch
index 9e50d4c..d79259e 100644
--- a/0001-add-to-parser.patch
+++ b/0001-add-to-parser.patch
@@ -209,16 +209,16 @@ index 50856686335..53887c4fb55 100644
 +        return new_args;
 +    }
 +
-+    Py_ssize_t args_len = asdl_seq_LEN(args);
-+    asdl_expr_seq *new_args = _Py_asdl_expr_seq_new(args_len + 1, arena);
++    Py_ssize_t orig_args_len = asdl_seq_LEN(args);
++    asdl_expr_seq *new_args = _Py_asdl_expr_seq_new(orig_args_len + 1, arena);
 +    if (new_args == NULL) {
 +        return NULL;
 +    }
 +
-+    asdl_seq_SET(new_args, 0, piped_lhs);
++    asdl_seq_SET(new_args, orig_args_len, piped_lhs);
 +    Py_ssize_t i = 0;
-+    for (i = 0; i < args_len; i++) {
-+        asdl_seq_SET(new_args, i + 1, asdl_seq_GET(args, i));
++    for (i = 0; i < orig_args_len; i++) {
++        asdl_seq_SET(new_args, i, asdl_seq_GET(args, i));
 +    }
 +
 +    return new_args;