diff --git a/src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.cpp b/src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.cpp
index 89c186a2026..bfebe1d3944 100644
--- a/src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.cpp
+++ b/src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.cpp
@@ -357,6 +357,24 @@ HRESULT QWindowsUiaMainProvider::GetPatternProvider(PATTERNID idPattern, IUnknow
     return S_OK;
 }
 
+void QWindowsUiaMainProvider::setLabelledBy(QAccessibleInterface *accessible, VARIANT *pRetVal)
+{
+    Q_ASSERT(accessible);
+
+    typedef std::pair<QAccessibleInterface*, QAccessible::Relation> RelationPair;
+    const QList<RelationPair> relationInterfaces = accessible->relations(QAccessible::Label);
+    if (relationInterfaces.empty())
+        return;
+
+    // UIA_LabeledByPropertyId only supports one relation
+    ComPtr<IRawElementProviderSimple> provider = providerForAccessible(relationInterfaces.first().first);
+    if (!provider)
+        return;
+
+    pRetVal->vt = VT_UNKNOWN;
+    pRetVal->punkVal = provider.Detach();
+}
+
 void QWindowsUiaMainProvider::fillVariantArrayForRelation(QAccessibleInterface* accessible,
                                                           QAccessible::Relation relation, VARIANT *pRetVal)
 {
@@ -512,6 +530,9 @@ HRESULT QWindowsUiaMainProvider::GetPropertyValue(PROPERTYID idProp, VARIANT *pR
     case UIA_FlowsToPropertyId:
         fillVariantArrayForRelation(accessible, QAccessible::FlowsFrom, pRetVal);
         break;
+    case UIA_LabeledByPropertyId:
+        setLabelledBy(accessible, pRetVal);
+        break;
     case UIA_FrameworkIdPropertyId:
         *pRetVal = QComVariant{ QStringLiteral("Qt") }.release();
         break;
diff --git a/src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.h b/src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.h
index 03954d28050..eae8e26901c 100644
--- a/src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.h
+++ b/src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.h
@@ -59,6 +59,7 @@ public:
     HRESULT STDMETHODCALLTYPE GetFocus(IRawElementProviderFragment **pRetVal) override;
 
 private:
+    static void setLabelledBy(QAccessibleInterface *accessible, VARIANT *pRetVal);
     static void fillVariantArrayForRelation(QAccessibleInterface *accessible, QAccessible::Relation relation, VARIANT *pRetVal);
     static void setAriaProperties(QAccessibleInterface *accessible, VARIANT *pRetVal);
     static void setStyle(QAccessibleInterface *accessible, VARIANT *pRetVal);