diff --git a/service.h b/service.h
index 945bd64b0..64cec09d5 100644
--- a/service.h
+++ b/service.h
@@ -186,7 +186,7 @@ Q_SIGNALS:
     /**
      * Emitted when a job associated with this Service completes its task
      */
-    void finished(ServiceJob* job);
+    void finished(Plasma::ServiceJob* job);
 
     /**
      * Emitted when the Service's operations change. For example, a