diff --git a/rtptransceiver.go b/rtptransceiver.go
index 8918e40b..b47e87e4 100644
--- a/rtptransceiver.go
+++ b/rtptransceiver.go
@@ -69,7 +69,10 @@ func (t *RTPTransceiver) getCodecs() []RTPCodecParameters {
 	filteredCodecs := []RTPCodecParameters{}
 	for _, codec := range t.codecs {
 		if c, matchType := codecParametersFuzzySearch(codec, mediaEngineCodecs); matchType != codecMatchNone {
-			filteredCodecs = append(filteredCodecs, c)
+			if codec.PayloadType == 0 {
+				codec.PayloadType = c.PayloadType
+			}
+			filteredCodecs = append(filteredCodecs, codec)
 		}
 	}
 
diff --git a/rtptransceiver_test.go b/rtptransceiver_test.go
index c722eed1..2e048c88 100644
--- a/rtptransceiver_test.go
+++ b/rtptransceiver_test.go
@@ -124,7 +124,7 @@ func Test_RTPTransceiver_SetCodecPreferences_PayloadType(t *testing.T) {
 	assert.NoError(t, err)
 
 	// VP8 with proper PayloadType
-	assert.NotEqual(t, -1, strings.Index(answer.SDP, "a=rtpmap:96 VP8/90000"))
+	assert.NotEqual(t, -1, strings.Index(answer.SDP, "a=rtpmap:51 VP8/90000"))
 
 	// testCodec is ignored since offerer doesn't support
 	assert.Equal(t, -1, strings.Index(answer.SDP, "testCodec"))