diff --git a/server.go b/server.go
index d9552372..22e00f86 100644
--- a/server.go
+++ b/server.go
@@ -14,7 +14,7 @@ import (
 
 // packetHandler handles packets
 type packetHandler interface {
-	HandlePacket(addr interface{}, hdr *publicHeader, data []byte)
+	handlePacket(addr interface{}, hdr *publicHeader, data []byte)
 	Run()
 }
 
@@ -137,7 +137,7 @@ func (s *Server) handlePacket(conn *net.UDPConn, remoteAddr *net.UDPAddr, packet
 		// Late packet for closed session
 		return nil
 	}
-	session.HandlePacket(remoteAddr, hdr, packet[len(packet)-r.Len():])
+	session.handlePacket(remoteAddr, hdr, packet[len(packet)-r.Len():])
 	return nil
 }
 
diff --git a/server_test.go b/server_test.go
index 3e548b61..cef459b7 100644
--- a/server_test.go
+++ b/server_test.go
@@ -18,7 +18,7 @@ type mockSession struct {
 	packetCount  int
 }
 
-func (s *mockSession) HandlePacket(addr interface{}, hdr *publicHeader, data []byte) {
+func (s *mockSession) handlePacket(addr interface{}, hdr *publicHeader, data []byte) {
 	s.packetCount++
 }
 
diff --git a/session.go b/session.go
index 8376784b..5544374e 100644
--- a/session.go
+++ b/session.go
@@ -147,7 +147,7 @@ func (s *Session) Run() {
 		case <-s.closeChan:
 			return
 		case p := <-s.receivedPackets:
-			err = s.handlePacket(p.remoteAddr, p.publicHeader, p.data)
+			err = s.handlePacketImpl(p.remoteAddr, p.publicHeader, p.data)
 			if qErr, ok := err.(*protocol.QuicError); ok && qErr.ErrorCode == errorcodes.QUIC_DECRYPTION_FAILURE {
 				s.tryQueueingUndecryptablePacket(p)
 				continue
@@ -181,7 +181,7 @@ func (s *Session) Run() {
 	}
 }
 
-func (s *Session) handlePacket(remoteAddr interface{}, hdr *publicHeader, data []byte) error {
+func (s *Session) handlePacketImpl(remoteAddr interface{}, hdr *publicHeader, data []byte) error {
 	r := bytes.NewReader(data)
 
 	// Calculate packet number
@@ -239,8 +239,8 @@ func (s *Session) handlePacket(remoteAddr interface{}, hdr *publicHeader, data [
 	return nil
 }
 
-// HandlePacket handles a packet
-func (s *Session) HandlePacket(remoteAddr interface{}, hdr *publicHeader, data []byte) {
+// handlePacket handles a packet
+func (s *Session) handlePacket(remoteAddr interface{}, hdr *publicHeader, data []byte) {
 	s.receivedPackets <- receivedPacket{remoteAddr: remoteAddr, publicHeader: hdr, data: data}
 }
 
@@ -614,7 +614,7 @@ func (s *Session) tryQueueingUndecryptablePacket(p receivedPacket) {
 
 func (s *Session) tryDecryptingQueuedPackets() {
 	for _, p := range s.undecryptablePackets {
-		s.HandlePacket(p.remoteAddr, p.publicHeader, p.data)
+		s.handlePacket(p.remoteAddr, p.publicHeader, p.data)
 	}
 	s.undecryptablePackets = s.undecryptablePackets[:0]
 }
diff --git a/session_test.go b/session_test.go
index b58c1aa7..967e93e3 100644
--- a/session_test.go
+++ b/session_test.go
@@ -538,7 +538,7 @@ var _ = Describe("Session", func() {
 			hdr := &publicHeader{
 				PacketNumber: protocol.PacketNumber(i + 1),
 			}
-			session.HandlePacket(nil, hdr, []byte("foobar"))
+			session.handlePacket(nil, hdr, []byte("foobar"))
 		}
 		session.Run()