diff --git a/osal/mpp_platform.cpp b/osal/mpp_platform.cpp
index 4a219d31..043fcc76 100644
--- a/osal/mpp_platform.cpp
+++ b/osal/mpp_platform.cpp
@@ -17,6 +17,8 @@
 #ifdef RKPLATFORM
 #include <fcntl.h>
 #endif
+#include <string.h>
+
 #include "mpp_log.h"
 #include "mpp_common.h"
 #include "mpp_platform.h"