diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c
index dad62d0b2e..d3f1f1c1a4 100644
--- a/libavformat/rtsp.c
+++ b/libavformat/rtsp.c
@@ -26,7 +26,7 @@
 #include "avformat.h"
 
 #include <sys/time.h>
-#include <unistd.h> /* for select() prototype */
+#include <sys/select.h>
 #include <strings.h>
 #include "network.h"
 #include "rtsp.h"