diff --git a/src/common/x64/xbyak.h b/src/common/x64/xbyak.h
index 0e81f877c8..5ee12576e9 100644
--- a/src/common/x64/xbyak.h
+++ b/src/common/x64/xbyak.h
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: 2016 Citra Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later