diff --git a/src/kdbusservice.h b/src/kdbusservice.h
--- a/src/kdbusservice.h
+++ b/src/kdbusservice.h
@@ -205,7 +205,7 @@
      * In single-window applications, the connected signal should typically
      * raise the window.
      *
-     * @param arguments  The arguments the executable was called with.
+     * @param arguments  The arguments the executable was called with, starting with the executable name itself.
      *                   See QCoreApplication::arguments().
      *
      * A typical implementation of the slot would be
diff --git a/src/kdbusservice.cpp b/src/kdbusservice.cpp
--- a/src/kdbusservice.cpp
+++ b/src/kdbusservice.cpp
@@ -203,7 +203,7 @@
     }
 #endif
     // TODO QX11Info::setNextStartupId(platform_data.value("desktop-startup-id"))
-    emit activateRequested(QStringList(), QString());
+    emit activateRequested(QStringList{qApp->applicationFilePath()}, QString());
     // TODO (via hook) KStartupInfo::appStarted(platform_data.value("desktop-startup-id"))
     // ^^ same discussion as below
 }