--- a/src/mod/applications/mod_mp4/mp4_helper.hpp
+++ b/src/mod/applications/mod_mp4/mp4_helper.hpp
@@ -22,8 +22,9 @@ the Initial Developer. All Rights Reserv
 #ifndef MP4_HELPER_HPP_
 #define MP4_HELPER_HPP_
 
+#include <string.h>
+#include <sys/types.h>
 #include <mp4.h>
-#include <string>
 #include <exception>
 #include <string>