diff --git a/src/client.cpp b/src/client.cpp
index 43b58d819..48ebd2f2c 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -769,7 +769,7 @@ void Client::initLocalMapSaving(const Address &address,
 void Client::ReceiveAll()
 {
 	DSTACK(FUNCTION_NAME);
-	u32 start_ms = porting::getTimeMs();
+	u64 start_ms = porting::getTimeMs();
 	for(;;)
 	{
 		// Limit time even if there would be huge amounts of data to
@@ -1631,7 +1631,7 @@ void texture_update_progress(void *args, u32 progress, u32 max_progress)
 
 		// update the loading menu -- if neccessary
 		bool do_draw = false;
-		u32 time_ms = targs->last_time_ms;
+		u64 time_ms = targs->last_time_ms;
 		if (cur_percent != targs->last_percent) {
 			targs->last_percent = cur_percent;
 			time_ms = porting::getTimeMs();
diff --git a/src/network/connection.cpp b/src/network/connection.cpp
index f9a4821a6..fb3ba92ae 100644
--- a/src/network/connection.cpp
+++ b/src/network/connection.cpp
@@ -54,7 +54,8 @@ Mutex log_message_mutex;
 #endif
 
 
-static inline float CALC_DTIME(unsigned int lasttime, unsigned int curtime) {
+static inline float CALC_DTIME(u64 lasttime, u64 curtime)
+{
 	float value = ( curtime - lasttime) / 1000.0;
 	return MYMAX(MYMIN(value,0.1),0.0);
 }
@@ -981,7 +982,7 @@ void Peer::RTTStatistics(float rtt, const std::string &profiler_id,
 bool Peer::isTimedOut(float timeout)
 {
 	MutexAutoLock lock(m_exclusive_access_mutex);
-	u32 current_time = porting::getTimeMs();
+	u64 current_time = porting::getTimeMs();
 
 	float dtime = CALC_DTIME(m_last_timeout_check,current_time);
 	m_last_timeout_check = current_time;
@@ -1276,8 +1277,8 @@ void * ConnectionSendThread::run()
 	LOG(dout_con<<m_connection->getDesc()
 			<<"ConnectionSend thread started"<<std::endl);
 
-	u32 curtime = porting::getTimeMs();
-	u32 lasttime = curtime;
+	u64 curtime = porting::getTimeMs();
+	u64 lasttime = curtime;
 
 	PROFILE(std::stringstream ThreadIdentifier);
 	PROFILE(ThreadIdentifier << "ConnectionSend: [" << m_connection->getDesc() << "]");
@@ -2046,8 +2047,8 @@ void * ConnectionReceiveThread::run()
 	PROFILE(ThreadIdentifier << "ConnectionReceive: [" << m_connection->getDesc() << "]");
 
 #ifdef DEBUG_CONNECTION_KBPS
-	u32 curtime = porting::getTimeMs();
-	u32 lasttime = curtime;
+	u64 curtime = porting::getTimeMs();
+	u64 lasttime = curtime;
 	float debug_print_timer = 0.0;
 #endif
 
@@ -2390,7 +2391,7 @@ SharedBuffer<u8> ConnectionReceiveThread::processPacket(Channel *channel,
 				// only calculate rtt from straight sent packets
 				if (p.resend_count == 0) {
 					// Get round trip time
-					unsigned int current_time = porting::getTimeMs();
+					u64 current_time = porting::getTimeMs();
 
 					// a overflow is quite unlikely but as it'd result in major
 					// rtt miscalculation we handle it here
diff --git a/src/network/connection.h b/src/network/connection.h
index dc86d2293..3a8388522 100644
--- a/src/network/connection.h
+++ b/src/network/connection.h
@@ -175,7 +175,7 @@ struct BufferedPacket
 	Buffer<u8> data; // Data of the packet, including headers
 	float time; // Seconds from buffering the packet or re-sending
 	float totaltime; // Seconds from buffering the packet
-	unsigned int absolute_send_time;
+	u64 absolute_send_time;
 	Address address; // Sender or destination
 	unsigned int resend_count;
 };
diff --git a/src/unittest/test_connection.cpp b/src/unittest/test_connection.cpp
index 49e412fc8..d63322d69 100644
--- a/src/unittest/test_connection.cpp
+++ b/src/unittest/test_connection.cpp
@@ -305,7 +305,7 @@ void TestConnection::testConnectSendReceive()
 		u16 peer_id = 132;
 		u16 size = 0;
 		bool received = false;
-		u32 timems0 = porting::getTimeMs();
+		u64 timems0 = porting::getTimeMs();
 		for (;;) {
 			if (porting::getTimeMs() - timems0 > 5000 || received)
 				break;