diff --git a/src/Avalonia.Controls.TreeDataGrid/Primitives/TreeDataGridTextCell.cs b/src/Avalonia.Controls.TreeDataGrid/Primitives/TreeDataGridTextCell.cs
index 7b50b511..189e2317 100644
--- a/src/Avalonia.Controls.TreeDataGrid/Primitives/TreeDataGridTextCell.cs
+++ b/src/Avalonia.Controls.TreeDataGrid/Primitives/TreeDataGridTextCell.cs
@@ -118,7 +118,7 @@ protected override void OnModelPropertyChanged(object? sender, PropertyChangedEv
                 try
                 {
                     _modelValueChanging = true;
-                    Value = Model?.Value?.ToString();
+                    UpdateValue();
                 }
                 finally
                 {