diff --git a/track.go b/track.go
index dc4b210e..171b4298 100644
--- a/track.go
+++ b/track.go
@@ -76,8 +76,8 @@ func (t *Track) URL(baseURL *base.URL) (*base.URL, error) {
 
 // ClockRate returns the clock rate of the track.
 func (t *Track) ClockRate() (int, error) {
-	if len(t.Media.MediaName.Formats) != 1 {
-		return 0, fmt.Errorf("invalid format (%v)", t.Media.MediaName.Formats)
+	if len(t.Media.MediaName.Formats) < 1 {
+		return 0, fmt.Errorf("no formats provided")
 	}
 
 	// get clock rate from payload type
diff --git a/track_test.go b/track_test.go
index 223b9a4c..a47cd9a4 100644
--- a/track_test.go
+++ b/track_test.go
@@ -180,6 +180,27 @@ func TestTrackClockRate(t *testing.T) {
 				"a=sendrecv\r\n"),
 			8000,
 		},
+		{
+			"multiple formats",
+			[]byte("v=0\r\n" +
+				"o=RTSP 1853326073 627916868 IN IP4 0.0.0.0\r\n" +
+				"s=RTSP server\r\n" +
+				"c=IN IP4 0.0.0.0\r\n" +
+				"t=0 0\r\n" +
+				"a=control:*\r\n" +
+				"a=etag:1234567890\r\n" +
+				"a=range:npt=0-\r\n" +
+				"a=control:*\r\n" +
+				"m=video 0 RTP/AVP 98 96\r\n" +
+				"a=control:trackID=1\r\n" +
+				"b=AS:0\r\n" +
+				"a=rtpmap:98 H265/90000\r\n" +
+				"a=fmtp:98 profile-id=1; sprop-vps=QAEMAf//AWAAAAMAAAMAAAMAAAMAlqwJ; sprop-sps=QgEBAWAAAAMAAAMAAAMAAAMAlqADwIAQ5Za5JMmuWcBSSgAAB9AAAHUwgkA=; sprop-pps=RAHgdrAwxmQ=\r\n" +
+				"m=application 0 RTP/AVP 107\r\n" +
+				"a=control:trackID=3\r\n" +
+				"a=rtpmap:107 vnd.onvif.metadata/90000"),
+			90000,
+		},
 	} {
 		t.Run(ca.name, func(t *testing.T) {
 			tracks, err := ReadTracks(ca.sdp)