diff --git a/tabbox/tabbox.cpp b/tabbox/tabbox.cpp
--- a/tabbox/tabbox.cpp
+++ b/tabbox/tabbox.cpp
@@ -526,7 +526,7 @@
     a->setProperty("componentName", QStringLiteral(KWIN_NAME));
     a->setObjectName(QString::fromUtf8(actionName));
     a->setText(i18n(actionName));
-    KGlobalAccel::self()->setShortcut(a, QList<QKeySequence>() << shortcut);
+    KGlobalAccel::self()->setGlobalShortcut(a, QList<QKeySequence>() << shortcut);
     input()->registerShortcut(shortcut, a, TabBox::self(), slot);
     auto cuts = KGlobalAccel::self()->shortcut(a);
     globalShortcutChanged(a, cuts.isEmpty() ? QKeySequence() : cuts.first());