diff --git a/session.go b/session.go
index d5aad972..09dbcf8d 100644
--- a/session.go
+++ b/session.go
@@ -23,7 +23,6 @@ type receivedPacket struct {
 }
 
 var (
-	errReopeningStreamsNotAllowed  = errors.New("Reopening Streams not allowed")
 	errRstStreamOnInvalidStream    = errors.New("RST_STREAM received for unknown stream")
 	errWindowUpdateOnInvalidStream = errors.New("WINDOW_UPDATE received for unknown stream")
 	errWindowUpdateOnClosedStream  = errors.New("WINDOW_UPDATE received for an already closed stream")
@@ -249,7 +248,6 @@ func (s *Session) handlePacket(remoteAddr interface{}, hdr *publicHeader, data [
 	s.receivedPackets <- receivedPacket{remoteAddr: remoteAddr, publicHeader: hdr, data: data}
 }
 
-// TODO: Ignore data for closed streams
 func (s *Session) handleStreamFrame(frame *frames.StreamFrame) error {
 	s.streamsMutex.RLock()
 	str, streamExists := s.streams[frame.StreamID]
@@ -264,7 +262,8 @@ func (s *Session) handleStreamFrame(frame *frames.StreamFrame) error {
 		str = ss.(*stream)
 	}
 	if str == nil {
-		return errReopeningStreamsNotAllowed
+		// Stream is closed, ignore
+		return nil
 	}
 	err := str.AddStreamFrame(frame)
 	if err != nil {
diff --git a/session_test.go b/session_test.go
index 55ff8e32..b567945d 100644
--- a/session_test.go
+++ b/session_test.go
@@ -237,7 +237,7 @@ var _ = Describe("Session", func() {
 			Expect(session.streams[5]).To(BeNil())
 		})
 
-		It("rejects streams that existed previously", func() {
+		It("ignores streams that existed previously", func() {
 			session.handleStreamFrame(&frames.StreamFrame{
 				StreamID: 5,
 				Data:     []byte{},
@@ -251,7 +251,7 @@ var _ = Describe("Session", func() {
 				StreamID: 5,
 				Data:     []byte{},
 			})
-			Expect(err).To(MatchError(errReopeningStreamsNotAllowed))
+			Expect(err).To(BeNil())
 		})
 	})