diff --git a/AK/ScopeGuard.h b/AK/ScopeGuard.h
index 44556e0ee6..9946796663 100644
--- a/AK/ScopeGuard.h
+++ b/AK/ScopeGuard.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <AK/StdLibExtras.h>
+
 namespace AK {
 
 template<typename Callback>