diff --git a/Userland/Libraries/LibGfx/FourCC.h b/Userland/Libraries/LibGfx/FourCC.h
index 6747cc33d8..e26f59042b 100644
--- a/Userland/Libraries/LibGfx/FourCC.h
+++ b/Userland/Libraries/LibGfx/FourCC.h
@@ -6,6 +6,8 @@
 
 #pragma once
 
+#include <AK/Types.h>
+
 namespace Gfx {
 
 struct [[gnu::packed]] FourCC {