diff --git a/app/Models/Content.php b/app/Models/Content.php
index 300d1eec..18350112 100644
--- a/app/Models/Content.php
+++ b/app/Models/Content.php
@@ -175,7 +175,7 @@ class Content extends Model
             if (!in_array($fieldDB, $this->fillable)) {
                 // this field is not part of "core" content - probably it will be module settings
                 $commonField = false;
-                $fieldValue = $this->module_settings->$fieldDB;
+                $fieldValue = isset($this->module_settings->$fieldDB) ? $this->module_settings->$fieldDB : null;
             } else {
                 $commonField = true;
                 $fieldValue = $this->$fieldDB;