diff --git a/webview/platforms/cocoa.py b/webview/platforms/cocoa.py
index 245538ad..ce56cfba 100644
--- a/webview/platforms/cocoa.py
+++ b/webview/platforms/cocoa.py
@@ -106,7 +106,7 @@ def windowWillClose_(self, notification):
             i.closed.set()
             if BrowserView.instances == {}:
                 BrowserView.app.stop_(self)
-                BrowserView.app.abortModal_()
+                BrowserView.app.abortModal()
 
         def windowDidResize_(self, notification):
             i = BrowserView.get_instance('window', notification.object())