diff --git a/Source/Core/Common/GL/GLExtensions/GLExtensions.h b/Source/Core/Common/GL/GLExtensions/GLExtensions.h
index f1e258f98e..0c02745190 100644
--- a/Source/Core/Common/GL/GLExtensions/GLExtensions.h
+++ b/Source/Core/Common/GL/GLExtensions/GLExtensions.h
@@ -2,6 +2,8 @@
 // Licensed under GPLv2+
 // Refer to the license.txt file included.
 
+#pragma once
+
 #include <string>
 
 #include "Common/CommonTypes.h"
diff --git a/Source/Core/Common/VariantUtil.h b/Source/Core/Common/VariantUtil.h
index c865ad9681..e9e2987d9c 100644
--- a/Source/Core/Common/VariantUtil.h
+++ b/Source/Core/Common/VariantUtil.h
@@ -2,6 +2,8 @@
 // Licensed under GPLv2+
 // Refer to the license.txt file included.
 
+#pragma once
+
 #include <variant>
 
 namespace detail