diff --git a/session.go b/session.go
index 7d04e52..8e3cc1f 100644
--- a/session.go
+++ b/session.go
@@ -289,7 +289,7 @@ func (s *Session) keepalive() {
 	for {
 		select {
 		case <-tickerPing.C:
-			_, err := s.writeFrameWithDeadline(newFrame(cmdNOP, 0), tickerTimeout.C)
+			_, err := s.writeFrameInternal(newFrame(cmdNOP, 0), tickerTimeout.C)
 			if err == errTimeout {
 				if !atomic.CompareAndSwapInt32(&s.dataReady, 1, 0) {
 					s.Close()
@@ -341,12 +341,11 @@ func (s *Session) sendLoop() {
 // writeFrame writes the frame to the underlying connection
 // and returns the number of bytes written if successful
 func (s *Session) writeFrame(f Frame) (n int, err error) {
-	return s.writeFrameWithDeadline(f, nil)
+	return s.writeFrameInternal(f, nil)
 }
 
-// writeFrame may block forever in keepalive function, then it never timeout
-// so set a deadline to writeFrame only used in keepalive
-func (s *Session) writeFrameWithDeadline(f Frame, deadline <-chan time.Time) (int, error) {
+// internal writeFrame version to support deadline used in keepalive
+func (s *Session) writeFrameInternal(f Frame, deadline <-chan time.Time) (int, error) {
 	req := writeRequest{
 		frame:  f,
 		result: make(chan writeResult, 1),
diff --git a/session_test.go b/session_test.go
index 3a96f27..32fd20b 100644
--- a/session_test.go
+++ b/session_test.go
@@ -594,7 +594,7 @@ func TestRandomFrame(t *testing.T) {
 	}
 }
 
-func TestDeadlineFrame(t *testing.T) {
+func TestWriteFrameInternal(t *testing.T) {
 	addr, stop, cli, err := setupServer(t)
 	if err != nil {
 		t.Fatal(err)
@@ -619,10 +619,10 @@ func TestDeadlineFrame(t *testing.T) {
 	session.Close()
 	for i := 0; i < 100; i++ {
 		f := newFrame(byte(rand.Uint32()), rand.Uint32())
-		session.writeFrameWithDeadline(f, time.After(session.config.KeepAliveTimeout))
+		session.writeFrameInternal(f, time.After(session.config.KeepAliveTimeout))
 	}
 
-	// random cmds, writeFrameWithDeadline only used in keepalive with cmd of cmdNOP
+	// random cmds
 	cli, err = net.Dial("tcp", addr)
 	if err != nil {
 		t.Fatal(err)
@@ -631,14 +631,14 @@ func TestDeadlineFrame(t *testing.T) {
 	session, _ = Client(cli, nil)
 	for i := 0; i < 100; i++ {
 		f := newFrame(allcmds[rand.Int()%len(allcmds)], rand.Uint32())
-		session.writeFrameWithDeadline(f, time.After(session.config.KeepAliveTimeout))
+		session.writeFrameInternal(f, time.After(session.config.KeepAliveTimeout))
 	}
 	//deadline occur
 	{
 		c := make(chan time.Time)
 		close(c)
 		f := newFrame(allcmds[rand.Int()%len(allcmds)], rand.Uint32())
-		_, err := session.writeFrameWithDeadline(f, c)
+		_, err := session.writeFrameInternal(f, c)
 		if err != errTimeout {
 			t.Fatal("write frame with deadline failed", err)
 		}
@@ -663,7 +663,7 @@ func TestDeadlineFrame(t *testing.T) {
 			time.Sleep(time.Second)
 			close(c)
 		}()
-		_, err = session.writeFrameWithDeadline(f, c)
+		_, err = session.writeFrameInternal(f, c)
 		if err.Error() != errBrokenPipe {
 			t.Fatal("write frame with deadline failed", err)
 		}