diff --git a/src/Support/JwtParser.php b/src/Support/JwtParser.php
index 703877e..b937054 100644
--- a/src/Support/JwtParser.php
+++ b/src/Support/JwtParser.php
@@ -145,7 +145,7 @@ public function getId()
 
     public function getRoles()
     {
-        return $this->claims[$this->rolesClaim] ?? null;
+        return $this->getClaim($this->rolesClaim);
     }
 
     /**
@@ -160,4 +160,4 @@ public function getIsJwtValid(): bool
     {
         return $this->isJwtValid;
     }
-}
\ No newline at end of file
+}