diff --git a/src/widgets/kdynamicjobtracker.cpp b/src/widgets/kdynamicjobtracker.cpp
--- a/src/widgets/kdynamicjobtracker.cpp
+++ b/src/widgets/kdynamicjobtracker.cpp
@@ -111,21 +111,37 @@
 
         trackers.widgetTracker = nullptr;
         if (canHaveWidgets) {
+            QPointer<KJob> jobWatch(job);
             org::kde::kuiserver interface(QStringLiteral("org.kde.kuiserver"),
                                           QStringLiteral("/JobViewServer"),
                                           QDBusConnection::sessionBus(),
                                           this);
-            QDBusReply<bool> reply = interface.requiresJobTracker();
+            QDBusPendingReply<bool> reply = interface.requiresJobTracker();
+            QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(reply, job);
+            connect(watcher, &QDBusPendingCallWatcher::finished, this, [this, jobWatch](QDBusPendingCallWatcher *watcher) {
+                QDBusPendingReply<bool> reply = *watcher;
+                watcher->deleteLater();
+
+                if (!jobWatch) {
+                    return;
+                }
 
-            // If kuiserver isn't available or it tells us a job tracker is required
-            // create a widget tracker.
-            if (!reply.isValid() || reply.value()) {
-                if (!d->widgetTracker) {
-                    d->widgetTracker = new KWidgetJobTracker();
+                auto it = d->trackers.find(jobWatch.data());
+                if (it == d->trackers.end()) {
+                    return;
                 }
-                trackers.widgetTracker = d->widgetTracker;
-                trackers.widgetTracker->registerJob(job);
-            }
+
+
+                // If kuiserver isn't available or it tells us a job tracker is required
+                // create a widget tracker.
+                if (!reply.isValid() || reply.value()) {
+                    if (!d->widgetTracker) {
+                        d->widgetTracker = new KWidgetJobTracker();
+                    }
+                    it->widgetTracker = d->widgetTracker;
+                    it->widgetTracker->registerJob(jobWatch.data());
+                }
+            });
         }
     }
 }