diff --git a/app/Models/CustomField.php b/app/Models/CustomField.php
index 93942596c5..5e311a583a 100644
--- a/app/Models/CustomField.php
+++ b/app/Models/CustomField.php
@@ -285,6 +285,7 @@ class CustomField extends Model
      */
     public function formatFieldValuesAsArray()
     {
+        $result = [];
         $arr = preg_split("/\\r\\n|\\r|\\n/", $this->field_values);
 
         if (($this->element!='checkbox') && ($this->element!='radio')) {