diff --git a/stream/stream.h b/stream/stream.h
index c459b75b79..2efa3d39f1 100644
--- a/stream/stream.h
+++ b/stream/stream.h
@@ -59,6 +59,7 @@
 #define STREAM_CTRL_GET_CURRENT_TIME 5
 #define STREAM_CTRL_SEEK_TO_TIME 6
 #define STREAM_CTRL_GET_SIZE 7
+#define STREAM_CTRL_GET_ASPECT_RATIO 8
 
 #ifdef MPLAYER_NETWORK
 #include "network.h"