diff --git a/examples/util/gstreamer-src/gst.go b/examples/util/gstreamer-src/gst.go
index 33698075..41e4cdb8 100644
--- a/examples/util/gstreamer-src/gst.go
+++ b/examples/util/gstreamer-src/gst.go
@@ -43,6 +43,8 @@ func CreatePipeline(codecName string, in chan<- media.RTCSample) *Pipeline {
 		pipelineStr = "videotestsrc ! video/x-raw,format=I420 ! x264enc bframes=0 speed-preset=veryfast key-int-max=60 ! video/x-h264,stream-format=byte-stream ! " + pipelineStr
 	case webrtc.Opus:
 		pipelineStr = "audiotestsrc ! opusenc ! " + pipelineStr
+	case webrtc.G722:
+		pipelineStr = "audiotestsrc ! avenc_g722 ! " + pipelineStr
 	default:
 		panic("Unhandled codec " + codecName)
 	}
diff --git a/mediaengine.go b/mediaengine.go
index 9663ae40..196e7811 100644
--- a/mediaengine.go
+++ b/mediaengine.go
@@ -27,7 +27,7 @@ const (
 
 // RegisterDefaultCodecs is a helper that registers the default codecs supported by pions-webrtc
 func RegisterDefaultCodecs() {
-	RegisterCodec(NewRTCRtpG722Codec(DefaultPayloadTypeG722, 8000, 1))
+	RegisterCodec(NewRTCRtpG722Codec(DefaultPayloadTypeG722, 8000))
 	RegisterCodec(NewRTCRtpOpusCodec(DefaultPayloadTypeOpus, 48000, 2))
 	RegisterCodec(NewRTCRtpVP8Codec(DefaultPayloadTypeVP8, 90000))
 	RegisterCodec(NewRTCRtpH264Codec(DefaultPayloadTypeH264, 90000))
@@ -96,11 +96,11 @@ const (
 )
 
 // NewRTCRtpG722Codec is a helper to create a G722 codec
-func NewRTCRtpG722Codec(payloadType uint8, clockrate uint32, channels uint16) *RTCRtpCodec {
+func NewRTCRtpG722Codec(payloadType uint8, clockrate uint32) *RTCRtpCodec {
 	c := NewRTCRtpCodec(RTCRtpCodecTypeAudio,
 		G722,
 		clockrate,
-		channels,
+		0,
 		"",
 		payloadType,
 		&codecs.G722Payloader{})