diff --git a/src/pocketmine/command/SimpleCommandMap.php b/src/pocketmine/command/SimpleCommandMap.php
index 566e4d0a1..ae959c8ad 100644
--- a/src/pocketmine/command/SimpleCommandMap.php
+++ b/src/pocketmine/command/SimpleCommandMap.php
@@ -136,7 +136,7 @@ class SimpleCommandMap implements CommandMap{
 		if($label === null){
 			$label = $command->getName();
 		}
-		$label = strtolower(trim($label));
+		$label = trim($label);
 		$fallbackPrefix = strtolower(trim($fallbackPrefix));
 
 		$registered = $this->registerAlias($command, false, $fallbackPrefix, $label);