diff --git a/rtmp/rtmp.go b/rtmp/rtmp.go
index 90446364..1b6587dc 100644
--- a/rtmp/rtmp.go
+++ b/rtmp/rtmp.go
@@ -1270,10 +1270,10 @@ func rtmpSendPacket(r *C.RTMP, packet *C.RTMPPacket, queue int) int {
 
 	if packet.m_nChannel >= r.m_channelsAllocatedOut {
 		n := int(packet.m_nChannel + 10)
-		packets = C.realloc(unsafe.Pointer(r.m_vecChannelsOut), C.size_t(
-			unsafe.Sizeof(packet)*uintptr(n)))
-		//packets = realloc(unsafe.Pointer(r.m_vecChannelsOut),
-		//int(unsafe.Sizeof(packet)*uintptr(n)))
+		//packets = C.realloc(unsafe.Pointer(r.m_vecChannelsOut), C.size_t(
+		//unsafe.Sizeof(packet)*uintptr(n)))
+		packets = realloc(unsafe.Pointer(r.m_vecChannelsOut),
+			int(unsafe.Sizeof(packet)*uintptr(n)))
 
 		if uintptr(packets) == uintptr(0) {
 			//C.free(unsafe.Pointer(r.m_vecChannelsOut))