diff --git a/rendering/vk/macos_platform.c b/rendering/vk/macos_platform.c
index e5bfef6..723f735 100644
--- a/rendering/vk/macos_platform.c
+++ b/rendering/vk/macos_platform.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier:BSD-3-Clause */
 #ifndef MACOS_PLATFORM
 #define MACOS_PLATFORM
 
diff --git a/rendering/vk/surface.c b/rendering/vk/surface.c
index 5414371..5d83438 100644
--- a/rendering/vk/surface.c
+++ b/rendering/vk/surface.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier:BSD-3-Clause */
 #include "surface.h"
 #include "../../core/log.h"
 
diff --git a/rendering/vk/surface.h b/rendering/vk/surface.h
index 406df20..68060ed 100644
--- a/rendering/vk/surface.h
+++ b/rendering/vk/surface.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier:BSD-3-Clause */
 #ifndef SURFACE_H
 #define SURFACE_H