diff --git a/src/kcms/tabbox/kwintabboxconfigform.cpp b/src/kcms/tabbox/kwintabboxconfigform.cpp
index a25b3e9746..7e0eaedd5b 100644
--- a/src/kcms/tabbox/kwintabboxconfigform.cpp
+++ b/src/kcms/tabbox/kwintabboxconfigform.cpp
@@ -410,6 +410,17 @@ void KWinTabBoxConfigForm::setLayoutNameDefaultIndicatorVisible(bool visible)
     setDefaultIndicatorVisible(ui->effectCombo, visible);
 }
 
+void KWinTabBoxConfigForm::setShortcutsDefaultIndicatorVisible(bool visible)
+{
+    for (const auto &widget : {ui->scAll, ui->scAllReverse, ui->scCurrent, ui->scCurrentReverse}) {
+        const QString actionName = widget->property("shortcutAction").toString();
+        QAction *action = m_actionCollection->action(actionName);
+        const bool isDefault = (action->shortcut() == m_actionCollection->defaultShortcut(action));
+
+        setDefaultIndicatorVisible(widget, visible && !isDefault);
+    }
+}
+
 void KWinTabBoxConfigForm::tabBoxToggled(bool on)
 {
     // Highlight Windows options is availabled if no TabBox effect is selected
diff --git a/src/kcms/tabbox/kwintabboxconfigform.h b/src/kcms/tabbox/kwintabboxconfigform.h
index 416c872d4d..98caafecaf 100644
--- a/src/kcms/tabbox/kwintabboxconfigform.h
+++ b/src/kcms/tabbox/kwintabboxconfigform.h
@@ -96,6 +96,7 @@ public:
     void setShowDesktopModeDefaultIndicatorVisible(bool visible);
     void setSwitchingModeDefaultIndicatorVisible(bool visible);
     void setLayoutNameDefaultIndicatorVisible(bool visible);
+    void setShortcutsDefaultIndicatorVisible(bool visible);
 
 Q_SIGNALS:
     void filterScreenChanged(int value);
diff --git a/src/kcms/tabbox/main.cpp b/src/kcms/tabbox/main.cpp
index 250512fe77..101b00784e 100644
--- a/src/kcms/tabbox/main.cpp
+++ b/src/kcms/tabbox/main.cpp
@@ -286,6 +286,7 @@ void KWinTabBoxConfig::updateUiDefaultIndicator(bool visible, KWinTabBoxConfigFo
     form->setShowDesktopModeDefaultIndicatorVisible(visible && form->showDesktopMode() != config->defaultShowDesktopModeValue());
     form->setSwitchingModeDefaultIndicatorVisible(visible && form->switchingMode() != config->defaultSwitchingModeValue());
     form->setLayoutNameDefaultIndicatorVisible(visible && form->layoutName() != config->defaultLayoutNameValue());
+    form->setShortcutsDefaultIndicatorVisible(visible);
 }
 
 void KWinTabBoxConfig::load()