diff --git a/src/pocketmine/command/FormattedCommandAlias.php b/src/pocketmine/command/FormattedCommandAlias.php
index 926b409bc..771691626 100644
--- a/src/pocketmine/command/FormattedCommandAlias.php
+++ b/src/pocketmine/command/FormattedCommandAlias.php
@@ -47,13 +47,12 @@ class FormattedCommandAlias extends Command{
 		foreach($this->formatStrings as $formatString){
 			try{
 				$commands[] = $this->buildCommand($formatString, $args);
+			}catch(\InvalidArgumentException $e){
+				$sender->sendMessage(TextFormat::RED . $e->getMessage());
+				return false;
 			}catch(\Throwable $e){
-				if($e instanceof \InvalidArgumentException){
-					$sender->sendMessage(TextFormat::RED . $e->getMessage());
-				}else{
-					$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%commands.generic.exception"));
-					$sender->getServer()->getLogger()->logException($e);
-				}
+				$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%commands.generic.exception"));
+				$sender->getServer()->getLogger()->logException($e);
 
 				return false;
 			}