diff --git a/hwe/sammo/Constraint/AllowJoinDestNation.php b/hwe/sammo/Constraint/AllowJoinDestNation.php
index f7e9ac9b..1acef977 100644
--- a/hwe/sammo/Constraint/AllowJoinDestNation.php
+++ b/hwe/sammo/Constraint/AllowJoinDestNation.php
@@ -50,7 +50,7 @@ class AllowJoinDestNation extends Constraint{
             return false;
         }
 
-        if($this->general['npc']??2 < 2 && \sammo\Util::starts_with($this->destNation['name'], 'ⓤ')){
+        if($this->general['npc']??2 < 2 && \str_starts_with($this->destNation['name'], 'ⓤ')){
             $this->reason = "유저장은 태수국에 임관할 수 없습니다.";
             return false;
         }
diff --git a/vendor/brandonwamboldt/utilphp/src/utilphp/util.php b/vendor/brandonwamboldt/utilphp/src/utilphp/util.php
index 9be380ae..7d6d0f00 100644
--- a/vendor/brandonwamboldt/utilphp/src/utilphp/util.php
+++ b/vendor/brandonwamboldt/utilphp/src/utilphp/util.php
@@ -1000,7 +1000,7 @@ class util
      */
     public static function starts_with($string, $starts_with)
     {
-        return strpos($string, $starts_with) === 0;
+        return str_starts_with($string, $starts_with);
     }
 
     /**