diff --git a/src/pocketmine/OfflinePlayer.php b/src/pocketmine/OfflinePlayer.php
index 0bab443a8..03bdeab49 100644
--- a/src/pocketmine/OfflinePlayer.php
+++ b/src/pocketmine/OfflinePlayer.php
@@ -62,7 +62,7 @@ class OfflinePlayer implements IPlayer{
 		return $this->server->isOp(strtolower($this->getName()));
 	}
 
-	public functiottOp($value){
+	public function setOp($value){
 		if($value === $this->isOp()){
 			return;
 		}