diff --git a/libavformat/mxf.h b/libavformat/mxf.h
index d53a16df51..4d9f5119a3 100644
--- a/libavformat/mxf.h
+++ b/libavformat/mxf.h
@@ -25,8 +25,9 @@
 #include "libavutil/log.h"
 #include "libavutil/pixfmt.h"
 #include "libavutil/rational.h"
+#include "libavutil/uuid.h"
 
-typedef uint8_t UID[16];
+typedef AVUUID UID;
 
 enum MXFMetadataSetType {
     AnyType,