diff --git a/src/platform_impl/macos/app_delegate.rs b/src/platform_impl/macos/app_delegate.rs
index 11c8d2e7..0c9eff17 100644
--- a/src/platform_impl/macos/app_delegate.rs
+++ b/src/platform_impl/macos/app_delegate.rs
@@ -20,16 +20,18 @@ declare_class!(
     }
 
     unsafe impl ApplicationDelegate {
-        #[sel(initWithActivationPolicy:defaultMenu:)]
+        #[sel(initWithActivationPolicy:defaultMenu:activateIgnoringOtherApps:)]
         fn init(
             &mut self,
             activation_policy: NSApplicationActivationPolicy,
             default_menu: bool,
+            activate_ignoring_other_apps: bool,
         ) -> Option<&mut Self> {
             let this: Option<&mut Self> = unsafe { msg_send![super(self), init] };
             this.map(|this| {
                 *this.activation_policy = activation_policy;
                 *this.default_menu = default_menu;
+                *this.activate_ignoring_other_apps = activate_ignoring_other_apps;
                 this
             })
         }