diff --git a/js/dbusServices/notifications/notificationDaemon.js b/js/dbusServices/notifications/notificationDaemon.js
index f824f813d..473b0c4c0 100644
--- a/js/dbusServices/notifications/notificationDaemon.js
+++ b/js/dbusServices/notifications/notificationDaemon.js
@@ -100,7 +100,7 @@ export const NotificationDaemon = class extends ServiceImplementation {
 
         params[6] = {
             ...hints,
-            'sender-pid': new GLib.Variant('u', pid),
+            'x-shell-sender-pid': new GLib.Variant('u', pid),
         };
 
         try {
diff --git a/js/ui/notificationDaemon.js b/js/ui/notificationDaemon.js
index 1f68a1c54..4c6437a8c 100644
--- a/js/ui/notificationDaemon.js
+++ b/js/ui/notificationDaemon.js
@@ -162,7 +162,7 @@ class FdoNotificationDaemon {
         this._notifications[id] = ndata;
 
         let sender = invocation.get_sender();
-        let pid = hints['sender-pid'];
+        const pid = hints['x-shell-sender-pid'];
 
         let source = this._getSource(appName, pid, ndata, sender, null);
         this._notifyForSource(source, ndata);