diff --git a/rtmp/rtmp.go b/rtmp/rtmp.go
index e0f2a442..128d7adf 100644
--- a/rtmp/rtmp.go
+++ b/rtmp/rtmp.go
@@ -398,8 +398,8 @@ func startSession(rtmp *C.RTMP, u string, timeout uint32) (*C.RTMP, error) {
 	rtmpInit(rtmp)
 	//C.RTMP_Init(rtmp)
 	rtmp.Link.timeout = connect_timeout
-	// if rtmpSetupUrl(rtmp, u) == 0 {
-	if C.RTMP_SetupURL(rtmp, C.CString(u)) == 0 {
+	if rtmpSetupUrl(rtmp, u) == 0 {
+		// if C.RTMP_SetupURL(rtmp, C.CString(u)) == 0 {
 		C.RTMP_Close(rtmp)
 		C.RTMP_Free(rtmp)
 		return nil, errors.New("rtmp startSession: Failed to setup URL!")