diff --git a/app/Http/Middleware/HumanVerification.php b/app/Http/Middleware/HumanVerification.php
index 0be2058000507fb79acf245d34a706eeb057117e..7aa3bc8bd8c09103650076e3b07dac62b186a706 100644
--- a/app/Http/Middleware/HumanVerification.php
+++ b/app/Http/Middleware/HumanVerification.php
@@ -126,7 +126,8 @@ class HumanVerification
         } catch (\Illuminate\Database\QueryException $e) {
             // Failure in contacting metager3.de
         }
-        $request->request->add(['verification_id' => $uid, 'verification_count' => $unusedResultPages]);
+        if(isset($uid) && isset($unusedResultPages))
+            $request->request->add(['verification_id' => $uid, 'verification_count' => $unusedResultPages]);
         return $next($request);
     }
 }