diff --git a/Classes/Fusion/Eel/FlowQueryOperations/FilterByReferenceOperation.php b/Classes/Fusion/Eel/FlowQueryOperations/FilterByReferenceOperation.php
index 91bc7e4..f0265ef 100644
--- a/Classes/Fusion/Eel/FlowQueryOperations/FilterByReferenceOperation.php
+++ b/Classes/Fusion/Eel/FlowQueryOperations/FilterByReferenceOperation.php
@@ -62,7 +62,7 @@ public function evaluate(FlowQuery $flowQuery, array $arguments)
         foreach ($flowQuery->getContext() as $node) {
             /** @var NodeInterface $node */
             $propertyValue = $node->getProperty($filterByPropertyPath);
-            if ($nodeReference === $propertyValue || (is_array($propertyValue) && in_array($nodeReference, $propertyValue, true))) {
+            if ($nodeReference == $propertyValue || (is_array($propertyValue) && in_array($nodeReference, $propertyValue, false))) {
                 $filteredNodes[] = $node;
             }
         }