diff --git a/app/Services/CommonService.php b/app/Services/CommonService.php
index c98f8ae..156c943 100644
--- a/app/Services/CommonService.php
+++ b/app/Services/CommonService.php
@@ -21,7 +21,7 @@ abstract class CommonService
     {
         $this->_classPaths[] = $path;
     }
-    final public function getClassPaths($isArray = true, $delimeter = DIRECTory_SEPARATOR): array|string
+    final public function getClassPaths($isArray = true, $delimeter = DIRECTORY_SEPARATOR): array|string
     {
         return $isArray ? $this->_classPaths : implode($delimeter, $this->_classPaths);
     }