diff --git a/libavformat/rtpdec_vp8.c b/libavformat/rtpdec_vp8.c
index 8de89ff152..b18017b205 100644
--- a/libavformat/rtpdec_vp8.c
+++ b/libavformat/rtpdec_vp8.c
@@ -129,7 +129,8 @@ static int vp8_handle_packet(AVFormatContext *ctx,
 
 static PayloadContext *vp8_new_context(void)
 {
-    av_log(NULL, AV_LOG_WARNING, "RTP VP8 payload is still experimental\n");
+    av_log(NULL, AV_LOG_ERROR, "RTP VP8 payload implementation is incompatible "
+                               "with the latest spec drafts.\n");
     return av_mallocz(sizeof(PayloadContext));
 }
 
diff --git a/libavformat/rtpenc.c b/libavformat/rtpenc.c
index 0a2959dfcf..d5f0b3835c 100644
--- a/libavformat/rtpenc.c
+++ b/libavformat/rtpenc.c
@@ -147,7 +147,8 @@ static int rtp_write_header(AVFormatContext *s1)
         s->num_frames = 0;
         goto defaultcase;
     case CODEC_ID_VP8:
-        av_log(s1, AV_LOG_WARNING, "RTP VP8 payload is still experimental\n");
+        av_log(s1, AV_LOG_ERROR, "RTP VP8 payload implementation is "
+                                 "incompatible with the latest spec drafts.\n");
         break;
     case CODEC_ID_ADPCM_G722:
         /* Due to a historical error, the clock rate for G722 in RTP is