diff --git a/libmpdemux/librtsp/rtsp_rtp.c b/libmpdemux/librtsp/rtsp_rtp.c
index 4945d129da..c623ac1753 100644
--- a/libmpdemux/librtsp/rtsp_rtp.c
+++ b/libmpdemux/librtsp/rtsp_rtp.c
@@ -24,6 +24,7 @@
 #include <errno.h>
 #include <stdlib.h>
 #include <sys/types.h>
+#include <inttypes.h>
 
 #include "config.h"