diff --git a/JitterBuffer.cpp b/JitterBuffer.cpp
index ba6afa3..976e1f3 100644
--- a/JitterBuffer.cpp
+++ b/JitterBuffer.cpp
@@ -118,7 +118,7 @@ size_t JitterBuffer::HandleOutput(unsigned char *buffer, size_t len, int offsetI
 
 int JitterBuffer::GetInternal(jitter_packet_t* pkt, int offset){
 	/*if(needBuffering && lastPutTimestamp<nextTimestamp){
-		LOGV("jitter: don't have timestamp %lld, buffering", nextTimestamp);
+		LOGV("jitter: don't have timestamp %lld, buffering", (long long int)nextTimestamp);
 		Advance();
 		return JR_BUFFERING;
 	}*/
@@ -136,7 +136,7 @@ int JitterBuffer::GetInternal(jitter_packet_t* pkt, int offset){
 
 	if(i<JITTER_SLOT_COUNT){
 		if(pkt && pkt->size<slots[i].size){
-			LOGE("jitter: packet won't fit into provided buffer of %d (need %d)", slots[i].size, pkt->size);
+			LOGE("jitter: packet won't fit into provided buffer of %d (need %d)", int(slots[i].size), int(pkt->size));
 		}else{
 			if(pkt) {
 				pkt->size = slots[i].size;
@@ -153,7 +153,7 @@ int JitterBuffer::GetInternal(jitter_packet_t* pkt, int offset){
 		return JR_OK;
 	}
 
-	LOGW("jitter: found no packet for timestamp %lld (last put = %d, lost = %d)", timestampToGet, lastPutTimestamp, lostCount);
+	LOGW("jitter: found no packet for timestamp %lld (last put = %d, lost = %d)", (long long int)timestampToGet, lastPutTimestamp, lostCount);
 
 	if(offset==0)
 		Advance();
@@ -190,7 +190,7 @@ void JitterBuffer::PutInternal(jitter_packet_t* pkt){
 	if(wasReset){
 		wasReset=false;
 		nextTimestamp=((int64_t)pkt->timestamp)-step*minDelay;
-		LOGI("jitter: resyncing, next timestamp = %lld (step=%d, minDelay=%d)", nextTimestamp, step, minDelay);
+		LOGI("jitter: resyncing, next timestamp = %lld (step=%d, minDelay=%d)", (long long int)nextTimestamp, step, minDelay);
 	}
 	
 	for(i=0;i<JITTER_SLOT_COUNT;i++){
diff --git a/VoIPController.cpp b/VoIPController.cpp
index 1571ddf..61c5b5b 100644
--- a/VoIPController.cpp
+++ b/VoIPController.cpp
@@ -1328,7 +1328,7 @@ void VoIPController::RunTickThread(){
 					memmove(&qp->seqs[1], qp->seqs, 4*9);
 					qp->seqs[0]=seq;
 					qp->lastSentTime=GetCurrentTime();
-					LOGD("Sending queued packet, seq=%u, type=%u, len=%u", seq, qp->type, qp->length);
+					LOGD("Sending queued packet, seq=%u, type=%u, len=%u", seq, qp->type, unsigned(qp->length));
 					if(qp->firstSentTime==0)
 						qp->firstSentTime=qp->lastSentTime;
 					if(qp->length)
@@ -1446,7 +1446,7 @@ void VoIPController::RunTickThread(){
 					lastRemoteAckSeq,
 					recvLossCount,
 					conctl ? conctl->GetSendLossCount() : 0,
-					conctl ? conctl->GetInflightDataSize() : 0,
+					conctl ? (int)conctl->GetInflightDataSize() : 0,
 					encoder ? encoder->GetBitrate() : 0,
 					encoder ? encoder->GetPacketLoss() : 0,
 					jitterBuffer ? jitterBuffer->GetLastMeasuredJitter() : 0,
@@ -1780,14 +1780,15 @@ void VoIPController::GetDebugString(char *buffer, size_t len){
 			 jitterBuffer ? jitterBuffer->GetMinPacketCount() : 0, jitterBuffer ? jitterBuffer->GetCurrentDelay() : 0, avgLate[0], avgLate[1], avgLate[2],
 			// (int)(GetAverageRTT()*1000), 0,
 			 (int)(conctl->GetAverageRTT()*1000), (int)(conctl->GetMinimumRTT()*1000),
-			 conctl->GetInflightDataSize(), conctl->GetCongestionWindow(),
+			 int(conctl->GetInflightDataSize()), int(conctl->GetCongestionWindow()),
 			 keyFingerprint[0],keyFingerprint[1],keyFingerprint[2],keyFingerprint[3],keyFingerprint[4],keyFingerprint[5],keyFingerprint[6],keyFingerprint[7],
-				lastSentSeq, lastRemoteAckSeq, lastRemoteSeq,
+			 lastSentSeq, lastRemoteAckSeq, lastRemoteSeq,
 			 conctl->GetSendLossCount(), recvLossCount, encoder ? encoder->GetPacketLoss() : 0,
 			 encoder ? (encoder->GetBitrate()/1000) : 0,
 //			 audioPacketGrouping,
 			 outgoingStreams[0]->frameDuration, incomingStreams.size()>0 ? incomingStreams[0]->frameDuration : 0,
-			stats.bytesSentMobile+stats.bytesSentWifi, stats.bytesRecvdMobile+stats.bytesRecvdWifi);
+			 (long long unsigned int)(stats.bytesSentMobile+stats.bytesSentWifi),
+			 (long long unsigned int)(stats.bytesRecvdMobile+stats.bytesRecvdWifi));
 }
 
 
@@ -1836,7 +1837,7 @@ float VoIPController::GetOutputLevel(){
 
 
 void VoIPController::SendPacketReliably(unsigned char type, unsigned char *data, size_t len, double retryInterval, double timeout){
-	LOGD("Send reliably, type=%u, len=%u, retry=%.3f, timeout=%.3f", type, len, retryInterval, timeout);
+	LOGD("Send reliably, type=%u, len=%u, retry=%.3f, timeout=%.3f", type, unsigned(len), retryInterval, timeout);
 	voip_queued_packet_t* pkt=(voip_queued_packet_t *) malloc(sizeof(voip_queued_packet_t));
 	memset(pkt, 0, sizeof(voip_queued_packet_t));
 	pkt->type=type;
@@ -2075,7 +2076,7 @@ Endpoint::Endpoint(int64_t id, uint16_t port, IPv4Address& _address, IPv6Address
 	this->port=port;
 	this->type=type;
 	memcpy(this->peerTag, peerTag, 16);
-	LOGV("new endpoint %lld: %s:%u", id, address.ToString().c_str(), port);
+	LOGV("new endpoint %lld: %s:%u", (long long int)id, address.ToString().c_str(), port);
 
 	lastPingSeq=0;
 	lastPingTime=0;
diff --git a/os/windows/AudioOutputWave.cpp b/os/windows/AudioOutputWave.cpp
index debc190..752aad8 100644
--- a/os/windows/AudioOutputWave.cpp
+++ b/os/windows/AudioOutputWave.cpp
@@ -101,7 +101,7 @@ void AudioOutputWave::SetCurrentDevice(std::string deviceID){
 
 	bool wasPlaying=isPlaying;
 	isPlaying=false;
-	LOGV("closing, hWaveOut=%d", hWaveOut);
+	LOGV("closing, hWaveOut=%d", (int)hWaveOut);
 	if(hWaveOut){
 		MMRESULT res;
 		if(isPlaying){
@@ -162,4 +162,4 @@ void AudioOutputWave::SetCurrentDevice(std::string deviceID){
 			CHECK_ERROR(res, "waveOutWrite failed");
 		}
 	}
-}
\ No newline at end of file
+}