diff --git a/src/pocketmine/network/SourceInterface.php b/src/pocketmine/network/SourceInterface.php
index 706ab5fafe..e5a6b679a9 100644
--- a/src/pocketmine/network/SourceInterface.php
+++ b/src/pocketmine/network/SourceInterface.php
@@ -65,9 +65,9 @@ interface SourceInterface{
 	public function setName(string $name);
 
 	/**
-	 * @return bool
+	 * Called every tick to process events on the interface.
 	 */
-	public function process() : bool;
+	public function process() : void;
 
 	public function shutdown();
 
diff --git a/src/pocketmine/network/mcpe/RakLibInterface.php b/src/pocketmine/network/mcpe/RakLibInterface.php
index 2f476c6bca..1002353de4 100644
--- a/src/pocketmine/network/mcpe/RakLibInterface.php
+++ b/src/pocketmine/network/mcpe/RakLibInterface.php
@@ -89,19 +89,12 @@ class RakLibInterface implements ServerInstance, AdvancedSourceInterface{
 		$this->network = $network;
 	}
 
-	public function process() : bool{
-		$work = false;
-		if($this->interface->handlePacket()){
-			$work = true;
-			while($this->interface->handlePacket()){
-			}
-		}
+	public function process() : void{
+		while($this->interface->handlePacket()){}
 
 		if(!$this->rakLib->isRunning() and !$this->rakLib->isShutdown()){
 			throw new \Exception("RakLib Thread crashed");
 		}
-
-		return $work;
 	}
 
 	public function closeSession(string $identifier, string $reason) : void{