diff --git a/astlpc.c b/astlpc.c
index ab97f79..085cb6d 100644
--- a/astlpc.c
+++ b/astlpc.c
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: Apache-2.0 */
+/* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later */
 
 #include <assert.h>
 #include <fcntl.h>