diff --git a/libavformat/rtpdec.c b/libavformat/rtpdec.c
index 17e2e87bd3..6f6fa799dc 100644
--- a/libavformat/rtpdec.c
+++ b/libavformat/rtpdec.c
@@ -273,7 +273,7 @@ int ff_rtp_check_and_send_back_rr(RTPDemuxContext *s, URLContext *fd,
     // some placeholders we should really fill...
     // RFC 1889/p64
     extended_max          = stats->cycles + stats->max_seq;
-    expected              = extended_max - stats->base_seq + 1;
+    expected              = extended_max - stats->base_seq;
     lost                  = expected - stats->received;
     lost                  = FFMIN(lost, 0xffffff); // clamp it since it's only 24 bits...
     expected_interval     = expected - stats->expected_prior;
diff --git a/tests/fate/vpx.mak b/tests/fate/vpx.mak
index 1c57ed8b02..a51ef078b1 100644
--- a/tests/fate/vpx.mak
+++ b/tests/fate/vpx.mak
@@ -1,10 +1,10 @@
-FATE_VP3-$(CONFIG_MATROSKA_DEMUXER) += fate-vp3-coeff-level64
-fate-vp3-coeff-level64: CMD = framecrc -i $(SAMPLES)/vp3/coeff_level64.mkv
+FATE_VP3-$(call DEMDEC, MATROSKA, THEORA) += fate-theora-coeff-level64
+fate-theora-coeff-level64: CMD = framecrc -i $(SAMPLES)/vp3/coeff_level64.mkv
 
-FATE_VP3-$(CONFIG_AVI_DEMUXER) += fate-vp31
+FATE_VP3-$(call DEMDEC, AVI, VP3) += fate-vp31
 fate-vp31: CMD = framecrc -i $(SAMPLES)/vp3/vp31.avi
 
-FATE_SAMPLES_AVCONV-$(CONFIG_VP3_DECODER) += $(FATE_VP3-yes)
+FATE_SAMPLES_AVCONV += $(FATE_VP3-yes)
 fate-vp3: $(FATE_VP3-yes)
 
 FATE_SAMPLES_AVCONV-$(call DEMDEC, AVI, VP5) += fate-vp5
diff --git a/tests/ref/fate/vp3-coeff-level64 b/tests/ref/fate/theora-coeff-level64
similarity index 100%
rename from tests/ref/fate/vp3-coeff-level64
rename to tests/ref/fate/theora-coeff-level64