diff --git a/drivers/rtc/lib_test.c b/drivers/rtc/lib_test.c
index 2124b67a2f4396459ea72a997336df960f2de407..d5caf36c56cdcfdfdc22537de70cd5ab44b1644c 100644
--- a/drivers/rtc/lib_test.c
+++ b/drivers/rtc/lib_test.c
@@ -77,3 +77,5 @@ static struct kunit_suite rtc_lib_test_suite = {
 };
 
 kunit_test_suite(rtc_lib_test_suite);
+
+MODULE_LICENSE("GPL");