diff --git a/src/audio_core/delay_line.cpp b/src/audio_core/delay_line.cpp
index f4e4dd8d2..2793ed8db 100644
--- a/src/audio_core/delay_line.cpp
+++ b/src/audio_core/delay_line.cpp
@@ -1,3 +1,7 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #include <cstring>
 #include "audio_core/delay_line.h"
 
diff --git a/src/audio_core/delay_line.h b/src/audio_core/delay_line.h
index cafddd432..84f11bc52 100644
--- a/src/audio_core/delay_line.h
+++ b/src/audio_core/delay_line.h
@@ -1,3 +1,7 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #pragma once
 
 #include "common/common_types.h"
diff --git a/src/common/host_memory.cpp b/src/common/host_memory.cpp
index b44a44949..28949fe5e 100644
--- a/src/common/host_memory.cpp
+++ b/src/common/host_memory.cpp
@@ -1,3 +1,7 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #ifdef _WIN32
 
 #include <iterator>
diff --git a/src/core/hle/service/nvdrv/nvdata.h b/src/core/hle/service/nvdrv/nvdata.h
index 3294bc0e7..5ab221fc1 100644
--- a/src/core/hle/service/nvdrv/nvdata.h
+++ b/src/core/hle/service/nvdrv/nvdata.h
@@ -1,3 +1,7 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #pragma once
 
 #include <array>
diff --git a/src/shader_recompiler/environment.h b/src/shader_recompiler/environment.h
index 8369d0d84..b4df73e8a 100644
--- a/src/shader_recompiler/environment.h
+++ b/src/shader_recompiler/environment.h
@@ -1,3 +1,7 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #pragma once
 
 #include <array>