diff --git a/src/notifications/MacNotificationDelegate.h b/src/notifications/MacNotificationDelegate.h
index 8441d1981666021d20025a5db73357e71dd3f082..448ca2cb51bb0d38cdf5dafefdd8e8906e381893 100644
--- a/src/notifications/MacNotificationDelegate.h
+++ b/src/notifications/MacNotificationDelegate.h
@@ -1,3 +1,8 @@
+// SPDX-FileCopyrightText: 2021 Nheko Contributors
+// SPDX-FileCopyrightText: 2022 Nheko Contributors
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 #pragma once
 
 #include "notifications/Manager.h"
diff --git a/src/notifications/MacNotificationDelegate.mm b/src/notifications/MacNotificationDelegate.mm
index f81a29d15fc3d0da85e840627d4c81ec4f0a8bbe..b1969386bc4771d3abae0e93c5d732549056a3d1 100644
--- a/src/notifications/MacNotificationDelegate.mm
+++ b/src/notifications/MacNotificationDelegate.mm
@@ -1,3 +1,8 @@
+// SPDX-FileCopyrightText: 2021 Nheko Contributors
+// SPDX-FileCopyrightText: 2022 Nheko Contributors
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 #import "notifications/MacNotificationDelegate.h"
 
 @implementation MacNotificationDelegate
diff --git a/src/notifications/ManagerMac.mm b/src/notifications/ManagerMac.mm
index 7d76181793f95e521302dc7a862c09a4ca8166d4..ea910dd0241a12da2309f2bb618af9c94d5a0480 100644
--- a/src/notifications/ManagerMac.mm
+++ b/src/notifications/ManagerMac.mm
@@ -1,3 +1,8 @@
+// SPDX-FileCopyrightText: 2021 Nheko Contributors
+// SPDX-FileCopyrightText: 2022 Nheko Contributors
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 #include "notifications/MacNotificationDelegate.h"
 #include "notifications/Manager.h"