diff --git a/src/qml/SpaceHierarchyDelegate.qml b/src/qml/SpaceHierarchyDelegate.qml
index 04906ea2e..4d09755f0 100644
--- a/src/qml/SpaceHierarchyDelegate.qml
+++ b/src/qml/SpaceHierarchyDelegate.qml
@@ -13,6 +13,8 @@ import org.kde.neochat
 
 Item {
     id: root
+
+    required property int index
     required property TreeView treeView
     required property bool isTreeNode
     required property bool expanded