diff --git a/src/pocketmine/PocketMine.php b/src/pocketmine/PocketMine.php
index f954bca9b..2d4175ef5 100644
--- a/src/pocketmine/PocketMine.php
+++ b/src/pocketmine/PocketMine.php
@@ -434,7 +434,7 @@ namespace pocketmine {
 		new Installer();
 	}
 
-	if(\Phar::running(true) !== ""){
+	if(\Phar::running(true) === ""){
 		$logger->warning("Non-packaged PocketMine-MP installation detected, do not use on production.");
 	}