diff --git a/raklib/server/Session.php b/raklib/server/Session.php
index d135517..dbaf1ac 100644
--- a/raklib/server/Session.php
+++ b/raklib/server/Session.php
@@ -111,8 +111,6 @@ public function update($time){
 		if(!$this->isActive and ($this->lastUpdate + 10) < $time){
 			$this->disconnect("timeout");
 			return;
-		}else{
-			$this->lastUpdate = $time;
 		}
 		$this->isActive = false;
 
@@ -299,6 +297,7 @@ protected function handleEncapsulatedPacket(EncapsulatedPacket $packet){
 
 	public function handlePacket(Packet $packet){
 		$this->isActive = true;
+		$this->lastUpdate = microtime(true);
 		if($this->state === self::STATE_CONNECTED or $this->state === self::STATE_CONNECTING_2){
 			if($packet::$ID >= 0x80 and $packet::$ID <= 0x8f and $packet instanceof DataPacket){ //Data packet
 				$packet->decode();
diff --git a/raklib/server/SessionManager.php b/raklib/server/SessionManager.php
index a261620..821cabd 100644
--- a/raklib/server/SessionManager.php
+++ b/raklib/server/SessionManager.php
@@ -219,7 +219,7 @@ public function receiveStream(){
 
 				++$this->ticks;
 				if(($this->ticks & 0b1111) === 0){
-					$diff = $time - $this->lastMeasure;
+					$diff = max(0.005, $time - $this->lastMeasure);
 					$this->streamOption("bandwidth", serialize([
 						"up" => $this->sendBytes / $diff,
 						"down" => $this->receiveBytes / $diff