diff --git a/Needlework.Net/Views/Pages/Endpoints/EndpointsTabView.axaml.cs b/Needlework.Net/Views/Pages/Endpoints/EndpointsTabView.axaml.cs
index 9c910d9..980961a 100644
--- a/Needlework.Net/Views/Pages/Endpoints/EndpointsTabView.axaml.cs
+++ b/Needlework.Net/Views/Pages/Endpoints/EndpointsTabView.axaml.cs
@@ -13,7 +13,12 @@ public partial class EndpointsTabView : UserControl
 
     private void TabView_TabCloseRequested(FluentAvalonia.UI.Controls.TabView sender, FluentAvalonia.UI.Controls.TabViewTabCloseRequestedEventArgs args)
     {
-        if (args.Tab.Content is EndpointItem item)
-            ((IList)sender.TabItems).Remove(item);
+        if (args.Tab.Content is EndpointItem item && sender.TabItems is IList tabItems)
+        {
+            if (tabItems.Count > 1)
+            {
+                tabItems.Remove(item);
+            }
+        }
     }
 }
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