diff --git a/src/MadeYourDay/Contao/CustomElements.php b/src/MadeYourDay/Contao/CustomElements.php
index 315bd85..0871345 100644
--- a/src/MadeYourDay/Contao/CustomElements.php
+++ b/src/MadeYourDay/Contao/CustomElements.php
@@ -408,7 +408,7 @@ protected function createDcaItem($fieldPrefix, $fieldName, $fieldConfig, &$palet
 				);
 			}
 
-			$this->createDcaItemListDummy($fieldPrefix, $fieldName, $fieldConfig, &$paletteFields, $dc, $createFromPost);
+			$this->createDcaItemListDummy($fieldPrefix, $fieldName, $fieldConfig, $paletteFields, $dc, $createFromPost);
 
 			$fieldData = $this->getNestedValue($fieldPrefix . $fieldName);