diff --git a/FFmpegSource2/MatroskaParser.h b/FFmpegSource2/MatroskaParser.h
index 66647e1df..fc5d50f49 100644
--- a/FFmpegSource2/MatroskaParser.h
+++ b/FFmpegSource2/MatroskaParser.h
@@ -41,7 +41,7 @@
  * system
  */
 
-#include <stdint.h>
+#include <stddef.h>
 
 #ifdef MPDLLBUILD
 #define	X __declspec(dllexport)