diff --git a/rtmp/rtmp.go b/rtmp/rtmp.go
index 18334f36..6c41da3a 100644
--- a/rtmp/rtmp.go
+++ b/rtmp/rtmp.go
@@ -1873,7 +1873,7 @@ func C_WriteN(r *C.RTMP, buffer unsafe.Pointer, n int) int {
 		var nBytes int
 
 		// TODO: port this if necessary
-		nBytes = int(sockBufSend(&r.m_sb, (*byte)(ptr), int32(n)))
+		nBytes = int(C_SockBufSend(&r.m_sb, (*byte)(ptr), int32(n)))
 
 		if nBytes < 0 {
 			if debugMode {
@@ -1909,7 +1909,7 @@ var RTMPT_cmds = []string{
 	"close",
 }
 
-func sockBufSend(sb *C.RTMPSockBuf, buf *byte, l int32) int32 {
+func C_SockBufSend(sb *C.RTMPSockBuf, buf *byte, l int32) int32 {
 	return int32(C.send(sb.sb_socket, unsafe.Pointer(buf), C.size_t(l), 0))
 }