diff --git a/webview/platforms/winforms.py b/webview/platforms/winforms.py
index e716c460..b238e690 100644
--- a/webview/platforms/winforms.py
+++ b/webview/platforms/winforms.py
@@ -286,6 +286,7 @@ def _shutdown():
                 if is_cef:
                     CEF.shutdown()
                 elif is_chromium:
+                    self.hide()
                     self.browser.clear_user_data()
 
                 WinForms.Application.Exit()