diff --git a/src/common/uint128.cpp b/src/common/uint128.cpp
index 2238a52c53..32bf56730f 100644
--- a/src/common/uint128.cpp
+++ b/src/common/uint128.cpp
@@ -1,3 +1,7 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #ifdef _MSC_VER
 #include <intrin.h>
 
diff --git a/src/common/uint128.h b/src/common/uint128.h
index 52e6b46eb7..a3be2a2cba 100644
--- a/src/common/uint128.h
+++ b/src/common/uint128.h
@@ -1,3 +1,8 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
 
 #include <utility>
 #include "common/common_types.h"