diff --git a/serverconnpublish_test.go b/serverconnpublish_test.go
index 34b2a260..eb344e00 100644
--- a/serverconnpublish_test.go
+++ b/serverconnpublish_test.go
@@ -283,6 +283,118 @@ func TestServerConnPublishSetupDifferentPaths(t *testing.T) {
 	require.Equal(t, "invalid track path (test2stream/trackID=0)", err.Error())
 }
 
+func TestServerConnPublishSetupDouble(t *testing.T) {
+	serverErr := make(chan error)
+
+	s, err := Serve("127.0.0.1:8554")
+	require.NoError(t, err)
+	defer s.Close()
+
+	serverDone := make(chan struct{})
+	defer func() { <-serverDone }()
+	go func() {
+		defer close(serverDone)
+
+		conn, err := s.Accept()
+		require.NoError(t, err)
+		defer conn.Close()
+
+		onAnnounce := func(req *base.Request, tracks Tracks) (*base.Response, error) {
+			return &base.Response{
+				StatusCode: base.StatusOK,
+			}, nil
+		}
+
+		onSetup := func(req *base.Request, th *headers.Transport, path string, trackID int) (*base.Response, error) {
+			return &base.Response{
+				StatusCode: base.StatusOK,
+			}, nil
+		}
+
+		err = <-conn.Read(ServerConnReadHandlers{
+			OnAnnounce: onAnnounce,
+			OnSetup:    onSetup,
+		})
+		serverErr <- err
+	}()
+
+	conn, err := net.Dial("tcp", "localhost:8554")
+	require.NoError(t, err)
+	defer conn.Close()
+	bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
+
+	track, err := NewTrackH264(96, []byte("123456"), []byte("123456"))
+	require.NoError(t, err)
+
+	tracks := Tracks{track}
+	for i, t := range tracks {
+		t.Media.Attributes = append(t.Media.Attributes, psdp.Attribute{
+			Key:   "control",
+			Value: "trackID=" + strconv.FormatInt(int64(i), 10),
+		})
+	}
+
+	err = base.Request{
+		Method: base.Announce,
+		URL:    base.MustParseURL("rtsp://localhost:8554/teststream"),
+		Header: base.Header{
+			"CSeq":         base.HeaderValue{"1"},
+			"Content-Type": base.HeaderValue{"application/sdp"},
+		},
+		Body: tracks.Write(),
+	}.Write(bconn.Writer)
+	require.NoError(t, err)
+
+	var res base.Response
+	err = res.Read(bconn.Reader)
+	require.NoError(t, err)
+	require.Equal(t, base.StatusOK, res.StatusCode)
+
+	th := &headers.Transport{
+		Protocol: StreamProtocolTCP,
+		Delivery: func() *base.StreamDelivery {
+			v := base.StreamDeliveryUnicast
+			return &v
+		}(),
+		Mode: func() *headers.TransportMode {
+			v := headers.TransportModeRecord
+			return &v
+		}(),
+		InterleavedIds: &[2]int{0, 1},
+	}
+
+	err = base.Request{
+		Method: base.Setup,
+		URL:    base.MustParseURL("rtsp://localhost:8554/teststream/trackID=0"),
+		Header: base.Header{
+			"CSeq":      base.HeaderValue{"2"},
+			"Transport": th.Write(),
+		},
+	}.Write(bconn.Writer)
+	require.NoError(t, err)
+
+	err = res.Read(bconn.Reader)
+	require.NoError(t, err)
+	require.Equal(t, base.StatusOK, res.StatusCode)
+
+	err = base.Request{
+		Method: base.Setup,
+		URL:    base.MustParseURL("rtsp://localhost:8554/teststream/trackID=0"),
+		Header: base.Header{
+			"CSeq":      base.HeaderValue{"3"},
+			"Transport": th.Write(),
+		},
+	}.Write(bconn.Writer)
+	require.NoError(t, err)
+
+	err = res.Read(bconn.Reader)
+	require.NoError(t, err)
+	require.Equal(t, base.StatusBadRequest, res.StatusCode)
+
+	err = <-serverErr
+	require.Equal(t, "track 0 has already been setup", err.Error())
+}
+
 func TestServerConnPublishRecordPartialTracks(t *testing.T) {
 	serverErr := make(chan error)
 
diff --git a/serverconnread_test.go b/serverconnread_test.go
index f0c7d099..1b24e6c1 100644
--- a/serverconnread_test.go
+++ b/serverconnread_test.go
@@ -130,6 +130,8 @@ func TestServerConnReadSetupPath(t *testing.T) {
 }
 
 func TestServerConnReadSetupDifferentPaths(t *testing.T) {
+	serverErr := make(chan error)
+
 	s, err := Serve("127.0.0.1:8554")
 	require.NoError(t, err)
 	defer s.Close()
@@ -149,9 +151,10 @@ func TestServerConnReadSetupDifferentPaths(t *testing.T) {
 			}, nil
 		}
 
-		<-conn.Read(ServerConnReadHandlers{
+		err = <-conn.Read(ServerConnReadHandlers{
 			OnSetup: onSetup,
 		})
+		serverErr <- err
 	}()
 
 	conn, err := net.Dial("tcp", "localhost:8554")
@@ -202,6 +205,90 @@ func TestServerConnReadSetupDifferentPaths(t *testing.T) {
 	err = res.Read(bconn.Reader)
 	require.NoError(t, err)
 	require.Equal(t, base.StatusBadRequest, res.StatusCode)
+
+	err = <-serverErr
+	require.Equal(t, "can't setup tracks with different paths", err.Error())
+}
+
+func TestServerConnReadSetupDouble(t *testing.T) {
+	serverErr := make(chan error)
+
+	s, err := Serve("127.0.0.1:8554")
+	require.NoError(t, err)
+	defer s.Close()
+
+	serverDone := make(chan struct{})
+	defer func() { <-serverDone }()
+	go func() {
+		defer close(serverDone)
+
+		conn, err := s.Accept()
+		require.NoError(t, err)
+		defer conn.Close()
+
+		onSetup := func(req *base.Request, th *headers.Transport, path string, trackID int) (*base.Response, error) {
+			return &base.Response{
+				StatusCode: base.StatusOK,
+			}, nil
+		}
+
+		err = <-conn.Read(ServerConnReadHandlers{
+			OnSetup: onSetup,
+		})
+		serverErr <- err
+	}()
+
+	conn, err := net.Dial("tcp", "localhost:8554")
+	require.NoError(t, err)
+	defer conn.Close()
+	bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
+
+	th := &headers.Transport{
+		Protocol: StreamProtocolTCP,
+		Delivery: func() *base.StreamDelivery {
+			v := base.StreamDeliveryUnicast
+			return &v
+		}(),
+		Mode: func() *headers.TransportMode {
+			v := headers.TransportModePlay
+			return &v
+		}(),
+		InterleavedIds: &[2]int{0, 1},
+	}
+
+	err = base.Request{
+		Method: base.Setup,
+		URL:    base.MustParseURL("rtsp://localhost:8554/teststream/trackID=0"),
+		Header: base.Header{
+			"CSeq":      base.HeaderValue{"1"},
+			"Transport": th.Write(),
+		},
+	}.Write(bconn.Writer)
+	require.NoError(t, err)
+
+	var res base.Response
+	err = res.Read(bconn.Reader)
+	require.NoError(t, err)
+	require.Equal(t, base.StatusOK, res.StatusCode)
+
+	th.InterleavedIds = &[2]int{2, 3}
+
+	err = base.Request{
+		Method: base.Setup,
+		URL:    base.MustParseURL("rtsp://localhost:8554/teststream/trackID=0"),
+		Header: base.Header{
+			"CSeq":      base.HeaderValue{"2"},
+			"Transport": th.Write(),
+		},
+	}.Write(bconn.Writer)
+	require.NoError(t, err)
+
+	err = res.Read(bconn.Reader)
+	require.NoError(t, err)
+	require.Equal(t, base.StatusBadRequest, res.StatusCode)
+
+	err = <-serverErr
+	require.Equal(t, "track 0 has already been setup", err.Error())
 }
 
 func TestServerConnReadReceivePackets(t *testing.T) {