diff --git a/rtmp/rtmp.go b/rtmp/rtmp.go
index 94059a54..5c0077ce 100644
--- a/rtmp/rtmp.go
+++ b/rtmp/rtmp.go
@@ -845,8 +845,8 @@ func readN(r *C.RTMP, buffer *byte, n int) int {
 			r.m_nBytesIn += C.int(nRead)
 			if r.m_bSendCounter != 0 && r.m_nBytesIn > (r.m_nBytesInSent+
 				r.m_nClientBW/10) {
-				if C.SendBytesReceived(r) == 0 {
-					//if sendBytesReceived(r) == 0 {
+				//if C.SendBytesReceived(r) == 0 {
+				if sendBytesReceived(r) == 0 {
 					return 0
 				}
 			}