diff --git a/test/bpf/drop-notify-test.c b/test/bpf/drop-notify-test.c
index 9d8ee12772bf4..9ea49ff54cbe2 100644
--- a/test/bpf/drop-notify-test.c
+++ b/test/bpf/drop-notify-test.c
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+// SPDX-License-Identifier: GPL-2.0 
 /* Copyright (C) 2021 Authors of Cilium */
 
 // source file for drop_notify_test.h.
diff --git a/test/bpf/nat-test.c b/test/bpf/nat-test.c
index b4e7da1a0ec31..fae79d7a9f0b6 100644
--- a/test/bpf/nat-test.c
+++ b/test/bpf/nat-test.c
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+// SPDX-License-Identifier: GPL-2.0
 /* Copyright (C) 2021 Authors of Cilium */
 
 // source file for nat_test.h.