diff --git a/externals/gamemode/gamemode_client.h b/externals/gamemode/gamemode_client.h
index 5be0a524ee..bfbf61c0c2 100644
--- a/externals/gamemode/gamemode_client.h
+++ b/externals/gamemode/gamemode_client.h
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 /*
 
 Copyright (c) 2017-2025, Feral Interactive and the GameMode contributors
diff --git a/src/common/gamemode.cpp b/src/common/gamemode.cpp
index ccdf24ce37..a3f0ba37ab 100644
--- a/src/common/gamemode.cpp
+++ b/src/common/gamemode.cpp
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
diff --git a/src/common/gamemode.h b/src/common/gamemode.h
index e61360c32e..05b1936bb5 100644
--- a/src/common/gamemode.h
+++ b/src/common/gamemode.h
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later