diff --git a/application/libraries/Api.php b/application/libraries/Api.php
index eaf2fff6..44df3c71 100644
--- a/application/libraries/Api.php
+++ b/application/libraries/Api.php
@@ -79,9 +79,9 @@ class Api {
 
             $password = $_SERVER['PHP_AUTH_PW'] ?? NULL;
 
-            $userdata = $this->CI->accounts->check_login($username, $password);
+            $user_data = $this->CI->accounts->check_login($username, $password);
 
-            if (empty($userdata['role_slug']) || $userdata['role_slug'] !== DB_SLUG_ADMIN)
+            if (empty($user_data['role_slug']) || $user_data['role_slug'] !== DB_SLUG_ADMIN)
             {
                 throw new RuntimeException('The provided credentials do not match any admin user!', 401, 'Unauthorized');
             }