diff --git a/libavformat/rtpproto.c b/libavformat/rtpproto.c
index 99fae3a9a0..7edd101e12 100644
--- a/libavformat/rtpproto.c
+++ b/libavformat/rtpproto.c
@@ -32,6 +32,7 @@
 #include "network.h"
 #include "os_support.h"
 #include <fcntl.h>
+#include <sys/select.h>
 
 #define RTP_TX_BUF_SIZE  (64 * 1024)
 #define RTP_RX_BUF_SIZE  (128 * 1024)