diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index 4d115ec9a..f37d4f074 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -2145,38 +2145,37 @@ class Player extends Human implements CommandSender, ChunkLoader, ChunkListener,
 		return false;
 	}
 
-	public function toggleSprint(bool $sprint) : void{
+	public function toggleSprint(bool $sprint) : bool{
 		$ev = new PlayerToggleSprintEvent($this, $sprint);
 		$ev->call();
 		if($ev->isCancelled()){
-			$this->sendData($this);
-		}else{
-			$this->setSprinting($sprint);
+			return false;
 		}
+		$this->setSprinting($sprint);
+		return true;
 	}
 
-	public function toggleSneak(bool $sneak) : void{
+	public function toggleSneak(bool $sneak) : bool{
 		$ev = new PlayerToggleSneakEvent($this, $sneak);
 		$ev->call();
 		if($ev->isCancelled()){
-			$this->sendData($this);
-		}else{
-			$this->setSneaking($sneak);
+			return false;
 		}
+		$this->setSneaking($sneak);
+		return true;
 	}
 
-	public function toggleFlight(bool $fly) : void{
+	public function toggleFlight(bool $fly) : bool{
 		$ev = new PlayerToggleFlightEvent($this, $fly);
-		if(!$this->allowFlight){
-			$ev->setCancelled();
-		}
+		$ev->setCancelled(!$this->allowFlight);
 		$ev->call();
 		if($ev->isCancelled()){
-			$this->networkSession->syncAdventureSettings($this);
-		}else{ //don't use setFlying() here, to avoid feedback loops
-			$this->flying = $fly;
-			$this->resetFallDistance();
+			return false;
 		}
+		//don't use setFlying() here, to avoid feedback loops - TODO: get rid of this hack
+		$this->flying = $fly;
+		$this->resetFallDistance();
+		return true;
 	}
 
 	public function animate(int $action) : bool{
diff --git a/src/pocketmine/network/mcpe/handler/SimpleSessionHandler.php b/src/pocketmine/network/mcpe/handler/SimpleSessionHandler.php
index fc2ce94f4..b9677d658 100644
--- a/src/pocketmine/network/mcpe/handler/SimpleSessionHandler.php
+++ b/src/pocketmine/network/mcpe/handler/SimpleSessionHandler.php
@@ -362,16 +362,24 @@ class SimpleSessionHandler extends SessionHandler{
 				$this->player->jump();
 				return true;
 			case PlayerActionPacket::ACTION_START_SPRINT:
-				$this->player->toggleSprint(true);
+				if(!$this->player->toggleSprint(true)){
+					$this->player->sendData($this->player);
+				}
 				return true;
 			case PlayerActionPacket::ACTION_STOP_SPRINT:
-				$this->player->toggleSprint(false);
+				if(!$this->player->toggleSprint(false)){
+					$this->player->sendData($this->player);
+				}
 				return true;
 			case PlayerActionPacket::ACTION_START_SNEAK:
-				$this->player->toggleSneak(true);
+				if(!$this->player->toggleSneak(true)){
+					$this->player->sendData($this->player);
+				}
 				return true;
 			case PlayerActionPacket::ACTION_STOP_SNEAK:
-				$this->player->toggleSneak(false);
+				if(!$this->player->toggleSneak(false)){
+					$this->player->sendData($this->player);
+				}
 				return true;
 			case PlayerActionPacket::ACTION_START_GLIDE:
 			case PlayerActionPacket::ACTION_STOP_GLIDE:
@@ -423,7 +431,9 @@ class SimpleSessionHandler extends SessionHandler{
 
 		$isFlying = $packet->getFlag(AdventureSettingsPacket::FLYING);
 		if($isFlying !== $this->player->isFlying()){
-			$this->player->toggleFlight($isFlying);
+			if(!$this->player->toggleFlight($isFlying)){
+				$this->session->syncAdventureSettings($this->player);
+			}
 			$handled = true;
 		}