diff --git a/src/common/QskMetaFunction.cpp b/src/common/QskMetaFunction.cpp
index 534c12ff..9ee739f6 100644
--- a/src/common/QskMetaFunction.cpp
+++ b/src/common/QskMetaFunction.cpp
@@ -21,8 +21,16 @@ static inline void qskInvokeFunctionQueued( QObject* object,
     constexpr QObject* sender = nullptr;
     constexpr int signalId = 0;
 
+#if QT_VERSION >= QT_VERSION_CHECK( 5, 14, 0 )
+    Q_UNUSED( types )
+    Q_UNUSED( argc )
+
+    auto event = new QMetaCallEvent(
+        functionCall, sender, signalId, argv, semaphore );
+#else
     auto event = new QMetaCallEvent(
         functionCall, sender, signalId, argc, types, argv, semaphore );
+#endif
 
     QCoreApplication::postEvent( object, event );
 }
@@ -58,7 +66,11 @@ int QskMetaFunction::FunctionCall::typeInfo() const
 int QskMetaFunction::FunctionCall::refCount() const
 {
     auto that = const_cast< FunctionCall* >( this );
+#if QT_VERSION >= QT_VERSION_CHECK( 5, 14, 0 )
+    return reinterpret_cast< SlotObject* >( that )->ref.loadRelaxed();
+#else
     return reinterpret_cast< SlotObject* >( that )->ref.load();
+#endif
 }
 
 QskMetaFunction::QskMetaFunction()
diff --git a/src/common/QskMetaInvokable.cpp b/src/common/QskMetaInvokable.cpp
index 5455556d..3bd99ced 100644
--- a/src/common/QskMetaInvokable.cpp
+++ b/src/common/QskMetaInvokable.cpp
@@ -49,11 +49,16 @@ namespace
                 ushort index, int nargs, int* types, void* args[],
                 QSemaphore* semaphore = nullptr )
             : QMetaCallEvent( offset, index, callFunction, nullptr, -1,
-                nargs, types, args, semaphore )
+#if QT_VERSION < QT_VERSION_CHECK( 5, 14, 0 )
+                nargs, types,
+#endif
+                args, semaphore )
             , m_call( call )
             , m_callFunction( callFunction )
             , m_index( index )
         {
+            Q_UNUSED( nargs )
+            Q_UNUSED( types )
         }
 
         void placeMetaCall( QObject* object ) override