diff --git a/src/Cms/Auth.php b/src/Cms/Auth.php
index b1131dfa86..a40216f7a0 100644
--- a/src/Cms/Auth.php
+++ b/src/Cms/Auth.php
@@ -844,9 +844,11 @@ class_exists(static::$challenges[$challenge]) === true &&
 
             throw new LogicException('Invalid authentication challenge: ' . $challenge);
         } catch (Throwable $e) {
+            $details = is_a($e, 'Kirby\Exception\Exception') === true ? $e->getDetails() : [];
+
             if (
                 empty($email) === false &&
-                ($e->getDetails()['reason'] ?? null) !== 'rate-limited'
+                ($details['reason'] ?? null) !== 'rate-limited'
             ) {
                 $this->track($email);
             }