diff --git a/src/Core/Platform/FBDisplay.h b/src/Core/Platform/FBDisplay.h
index a76ca00..78f791f 100644
--- a/src/Core/Platform/FBDisplay.h
+++ b/src/Core/Platform/FBDisplay.h
@@ -1,4 +1,5 @@
 #pragma once
+#include <cstddef>
 #include "Display.h"
 #include <linux/fb.h>