diff --git a/src/Ursa/Windows/UrsaWindow.cs b/src/Ursa/Windows/UrsaWindow.cs
index 1719493..92fd303 100644
--- a/src/Ursa/Windows/UrsaWindow.cs
+++ b/src/Ursa/Windows/UrsaWindow.cs
@@ -117,6 +117,7 @@ public class UrsaWindow: Window
             if (_canClose)
             {
                 Close();
+                return;
             }
         }
         base.OnClosing(e);