diff --git a/src/Configuration/HostConfigAbstract.php b/src/Configuration/HostConfigAbstract.php
index a545c9bb..4dcb4236 100644
--- a/src/Configuration/HostConfigAbstract.php
+++ b/src/Configuration/HostConfigAbstract.php
@@ -123,7 +123,7 @@ public function setData($data)
 
     public function getConfigName()
     {
-        return $this->data['configName'];
+        return $this->data['configName'] ?? 'unknown config name';
     }
 
     public function getPublicUrls()