diff --git a/rtmp/rtmp.go b/rtmp/rtmp.go
index 87cd633e..c2149548 100644
--- a/rtmp/rtmp.go
+++ b/rtmp/rtmp.go
@@ -1493,8 +1493,8 @@ func rtmpSendPacket(r *C.RTMP, packet *C.RTMPPacket, queue int) int {
 		if queue != 0 {
 			var txn int
 			ptr = incBytePtr(ptr, 3+int(method.av_len))
-			txn = int(C.AMF_DecodeNumber((*C.char)(ptr)))
-			//txn = int(amfDecodeNumber((*byte)(ptr)))
+			//txn = int(C.AMF_DecodeNumber((*C.char)(ptr)))
+			txn = int(amfDecodeNumber((*byte)(ptr)))
 			// TODO: port this
 			C.AV_queue(&r.m_methodCalls, (*C.int)(unsafe.Pointer(&r.m_numCalls)), &method,
 				C.int(txn))