diff --git a/include/mingw-compat/Shlobj.h b/include/mingw-compat/Shlobj.h
index 8ec3bcb..c2a83a3 100644
--- a/include/mingw-compat/Shlobj.h
+++ b/include/mingw-compat/Shlobj.h
@@ -1,6 +1,6 @@
 /*
  * DISTRHO Cardinal Plugin
- * Copyright (C) 2021 Filipe Coelho <falktx@falktx.com>
+ * Copyright (C) 2021-2022 Filipe Coelho <falktx@falktx.com>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
@@ -15,4 +15,6 @@
  * For a full copy of the GNU General Public License see the LICENSE file.
  */
 
+#pragma once
+
 #include <shlobj.h>
diff --git a/include/mingw-compat/Shlwapi.h b/include/mingw-compat/Shlwapi.h
index 66aa700..5753bfe 100644
--- a/include/mingw-compat/Shlwapi.h
+++ b/include/mingw-compat/Shlwapi.h
@@ -1,6 +1,6 @@
 /*
  * DISTRHO Cardinal Plugin
- * Copyright (C) 2021 Filipe Coelho <falktx@falktx.com>
+ * Copyright (C) 2021-2022 Filipe Coelho <falktx@falktx.com>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
@@ -15,4 +15,6 @@
  * For a full copy of the GNU General Public License see the LICENSE file.
  */
 
+#pragma once
+
 #include <shlwapi.h>