diff --git a/webview/platforms/cocoa.py b/webview/platforms/cocoa.py
index 58137459..b320ce42 100644
--- a/webview/platforms/cocoa.py
+++ b/webview/platforms/cocoa.py
@@ -63,6 +63,8 @@
 class BrowserView:
     instances = {}
     app = AppKit.NSApplication.sharedApplication()
+    app.setActivationPolicy_(0)
+
     cascade_loc = Foundation.NSMakePoint(100.0, 0.0)
 
     class AppDelegate(AppKit.NSObject):