diff --git a/libavformat/rtspcodes.h b/libavformat/rtspcodes.h
index d4ae0a8ae2..0ae490a42e 100644
--- a/libavformat/rtspcodes.h
+++ b/libavformat/rtspcodes.h
@@ -25,6 +25,7 @@
 #define AVFORMAT_RTSPCODES_H
 
 #include "libavutil/common.h"
+#include "libavformat/http.h"
 
 /** RTSP handling */
 enum RTSPStatusCode {
@@ -139,4 +140,10 @@ enum RTSPMethod {
     RECORD,
     UNKNOWN = -1,
 };
+
+static inline int ff_rtsp_averror(enum RTSPStatusCode status_code, int default_averror)
+{
+    return ff_http_averror(status_code, default_averror);
+}
+
 #endif /* AVFORMAT_RTSPCODES_H */