diff --git a/src/Wpf.Ui/Controls/SplitButton/SplitButton.cs b/src/Wpf.Ui/Controls/SplitButton/SplitButton.cs
index a9cefb145..394e71e3d 100644
--- a/src/Wpf.Ui/Controls/SplitButton/SplitButton.cs
+++ b/src/Wpf.Ui/Controls/SplitButton/SplitButton.cs
@@ -176,7 +176,8 @@ public override void OnApplyTemplate()
     /// </summary>
     protected virtual void ReleaseTemplateResources()
     {
-        SplitButtonToggleButton.Click -= OnSplitButtonToggleButtonOnClick;
+        if (SplitButtonToggleButton != null)
+            SplitButtonToggleButton.Click -= OnSplitButtonToggleButtonOnClick;
     }
 
     private void OnSplitButtonToggleButtonOnClick(object sender, RoutedEventArgs e)