diff --git a/shared/ModBase.hpp b/shared/ModBase.hpp
index b09ed217..409bad5b 100644
--- a/shared/ModBase.hpp
+++ b/shared/ModBase.hpp
@@ -5,7 +5,7 @@
 #include <sqconfig.h>
 
 // ------------------------------------------------------------------------------------------------
-#include <stddef.h>
+#include <cstddef>
 #include <string>
 
 /* ------------------------------------------------------------------------------------------------