diff --git a/src/Concern/HasRecords.php b/src/Concern/HasRecords.php
index 574b140..b4c36c1 100644
--- a/src/Concern/HasRecords.php
+++ b/src/Concern/HasRecords.php
@@ -43,7 +43,7 @@ public function getRootLayerRecords(): \Illuminate\Support\Collection
                     return $record->isRoot();
                 }
                 if (method_exists($record, 'determineParentColumnName')) {
-                    return $record->getAttributeValue($record->determineParentColumnName()) === Utils::defaultParentId();
+                    return $record->getAttributeValue($record->determineParentColumnName()) == Utils::defaultParentId();
                 }
                 return $record->getAttributeValue('parent')  === Utils::defaultParentId();
             });