diff --git a/headers/os/kernel/OS.h b/headers/os/kernel/OS.h
index 6c24064ae1..59e9522401 100644
--- a/headers/os/kernel/OS.h
+++ b/headers/os/kernel/OS.h
@@ -7,8 +7,8 @@
 
 /** Kernel specific structures and functions */
 
-#include <sys/types.h>
 #include <stdarg.h>
+#include <sys/types.h>
 
 #include <SupportDefs.h>
 #include <StorageDefs.h>