diff --git a/interfaces/kits/ndk/wm/oh_window.h b/interfaces/kits/ndk/wm/oh_window.h
index 36c16685e6a724ba7188049a3a38d3329e32f6e8..eae49ba08de2412348bebb55e42db12728d1b4eb 100644
--- a/interfaces/kits/ndk/wm/oh_window.h
+++ b/interfaces/kits/ndk/wm/oh_window.h
@@ -26,7 +26,9 @@
 #ifndef OH_WINDOW_H
 #define OH_WINDOW_H
 
+#include <stddef.h>
 #include <stdint.h>
+
 #include "oh_window_comm.h"
 #include "pointer_event_ndk.h"
 #include "wm_common.h"