diff --git a/group/group.go b/group/group.go
index 2a9b1f9..1bdd82e 100644
--- a/group/group.go
+++ b/group/group.go
@@ -252,14 +252,19 @@ func CodecPayloadType(codec webrtc.RTPCodecCapability) (webrtc.PayloadType, erro
 	}
 }
 
-func codecsFromName(name string) ([]webrtc.RTPCodecParameters, error) {
-	fb := []webrtc.RTCPFeedback{
-		{"goog-remb", ""},
-		{"nack", ""},
-		{"nack", "pli"},
-		{"ccm", "fir"},
-	}
+// VideoRTCPFeedback are the RTCP feedback types that we expect for video
+// tracks.
+var VideoRTCPFeedback = []webrtc.RTCPFeedback{
+	{"goog-remb", ""},
+	{"nack", ""},
+	{"nack", "pli"},
+	{"ccm", "fir"},
+}
 
+// AudioRTCPFeedback is like VideoRTCPFeedback but for audio tracks.
+var AudioRTCPFeedback = []webrtc.RTCPFeedback(nil)
+
+func codecsFromName(name string) ([]webrtc.RTPCodecParameters, error) {
 	var codecs []webrtc.RTPCodecCapability
 
 	switch name {
@@ -268,7 +273,7 @@ func codecsFromName(name string) ([]webrtc.RTPCodecParameters, error) {
 			{
 				"video/VP8", 90000, 0,
 				"",
-				fb,
+				VideoRTCPFeedback,
 			},
 		}
 	case "vp9":
@@ -276,12 +281,12 @@ func codecsFromName(name string) ([]webrtc.RTPCodecParameters, error) {
 			{
 				"video/VP9", 90000, 0,
 				"profile-id=0",
-				fb,
+				VideoRTCPFeedback,
 			},
 			{
 				"video/VP9", 90000, 0,
 				"profile-id=2",
-				fb,
+				VideoRTCPFeedback,
 			},
 		}
 	case "av1":
@@ -289,7 +294,7 @@ func codecsFromName(name string) ([]webrtc.RTPCodecParameters, error) {
 			{
 				"video/AV1", 90000, 0,
 				"",
-				fb,
+				VideoRTCPFeedback,
 			},
 		}
 	case "h264":
@@ -297,7 +302,7 @@ func codecsFromName(name string) ([]webrtc.RTPCodecParameters, error) {
 			{
 				"video/H264", 90000, 0,
 				"level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f",
-				fb,
+				VideoRTCPFeedback,
 			},
 		}
 	case "opus":
@@ -305,7 +310,7 @@ func codecsFromName(name string) ([]webrtc.RTPCodecParameters, error) {
 			{
 				"audio/opus", 48000, 2,
 				"minptime=10;useinbandfec=1;stereo=1;sprop-stereo=1",
-				nil,
+				AudioRTCPFeedback,
 			},
 		}
 	case "g722":
@@ -313,7 +318,7 @@ func codecsFromName(name string) ([]webrtc.RTPCodecParameters, error) {
 			{
 				"audio/G722", 8000, 1,
 				"",
-				nil,
+				AudioRTCPFeedback,
 			},
 		}
 	case "pcmu":
@@ -321,7 +326,7 @@ func codecsFromName(name string) ([]webrtc.RTPCodecParameters, error) {
 			{
 				"audio/PCMU", 8000, 1,
 				"",
-				nil,
+				AudioRTCPFeedback,
 			},
 		}
 	case "pcma":
@@ -329,7 +334,7 @@ func codecsFromName(name string) ([]webrtc.RTPCodecParameters, error) {
 			{
 				"audio/PCMU", 8000, 1,
 				"",
-				nil,
+				AudioRTCPFeedback,
 			},
 		}
 	default:
diff --git a/rtpconn/webclient.go b/rtpconn/webclient.go
index 5e6567c..2730031 100644
--- a/rtpconn/webclient.go
+++ b/rtpconn/webclient.go
@@ -9,6 +9,7 @@ import (
 	"log"
 	"net"
 	"os"
+	"strings"
 	"sync"
 	"time"
 
@@ -381,8 +382,16 @@ func addDownTrackUnlocked(conn *rtpDownConnection, remoteTrack *rtpUpTrack) erro
 		msid = "dummy"
 	}
 
+	// replace the RTCP feedback types with the ones we understand
+	remoteCodec := remoteTrack.Codec()
+	if strings.HasPrefix(strings.ToLower(remoteCodec.MimeType), "video/") {
+		remoteCodec.RTCPFeedback = group.VideoRTCPFeedback
+	} else {
+		remoteCodec.RTCPFeedback = group.AudioRTCPFeedback
+	}
+
 	local, err := webrtc.NewTrackLocalStaticRTP(
-		remoteTrack.Codec(), id, msid,
+		remoteCodec, id, msid,
 	)
 	if err != nil {
 		return err
@@ -1660,7 +1669,7 @@ func handleClientMessage(c *webClient, m clientMessage) error {
 			m := clientMessage{
 				Type:       "usermessage",
 				Kind:       "clearchat",
-				Value:       m.Value,
+				Value:      m.Value,
 				Privileged: true,
 			}
 			err := broadcast(g.GetClients(nil), m)