diff --git a/app/Server.php b/app/Server.php
index 313a3e04b1b8d6d9c6bb750e6f30dc4ca5d5b9c4..35a8481d858437f837398105c9574a6bddbb6dc3 100644
--- a/app/Server.php
+++ b/app/Server.php
@@ -55,8 +55,8 @@ class Server extends Model
     {
         $failing_sensors = [];
         
-        foreach ($this->getSensorsNOK() as $sensor) {
-            $failing_sensors[] = $sensor->name();
+        foreach ($this->getSensorsNOK() as $report) {
+            $failing_sensors[] = $report->title;
         }
         
         return $failing_sensors;
@@ -123,6 +123,10 @@ class Server extends Model
         return $this->lastSummary()->status();
     }
 
+    /**
+     * 
+     * @return Collection<Report>
+     */
     public function getSensorsNOK() : Collection
     {
         $summary = $this->lastSummary();