diff --git a/core/model/Hierarchy.php b/core/model/Hierarchy.php
index 80036e108..4b8d59854 100644
--- a/core/model/Hierarchy.php
+++ b/core/model/Hierarchy.php
@@ -539,7 +539,7 @@ class Hierarchy extends DataObjectDecorator {
 	 * @return DataObjectSet
 	 */
 	public function liveChildren($showAll = false) {
-		$extraFilter = $showAll ? '' : " AND \"ShowInMenus\"";
+		$extraFilter = $showAll ? '' : " AND \"ShowInMenus\"=1";
 		$baseClass = ClassInfo::baseDataClass($this->owner->class);
 		return Versioned::get_by_stage($baseClass, "Live", "\"{$baseClass}\".\"ParentID\" = " . (int)$this->owner->ID . " AND \"{$baseClass}\".\"ID\" != " . (int)$this->owner->ID. $extraFilter, "");
 	}