diff --git a/applets/systemtray/systemtray.cpp b/applets/systemtray/systemtray.cpp
--- a/applets/systemtray/systemtray.cpp
+++ b/applets/systemtray/systemtray.cpp
@@ -200,7 +200,7 @@
     desktopMenu->popup(pos.toPoint());
 }
 
-Q_INVOKABLE QString SystemTray::plasmoidCategory(QQuickItem *appletInterface) const
+QString SystemTray::plasmoidCategory(QQuickItem *appletInterface) const
 {
     if (!appletInterface) {
         return "UnknownCategory";