diff --git a/ui/qml/OutlineView.qml b/ui/qml/OutlineView.qml
index 3b8e112..c073b30 100644
--- a/ui/qml/OutlineView.qml
+++ b/ui/qml/OutlineView.qml
@@ -10,6 +10,9 @@ TreeView {
     id: tree
     clip: true
 
+    // Force TreeView to calculate row heights per-row instead of using a fixed height
+    rowHeightProvider: function(row) { return -1 }  // -1 means "use delegate's implicitHeight"
+
     readonly property int rowPad: 6
     readonly property int baseFontSize: theme.fontSize > 0 ? theme.fontSize : 12