1 files changed, 2 insertions, 1 deletions
diff --git a/sources/pyside2/libpyside/dynamicqmetaobject.cpp b/sources/pyside2/libpyside/dynamicqmetaobject.cpp
index efdf33ac9..2fbda3f6a 100644
--- a/sources/pyside2/libpyside/dynamicqmetaobject.cpp
+++ b/sources/pyside2/libpyside/dynamicqmetaobject.cpp
@@ -533,7 +533,8 @@ void MetaObjectBuilderPrivate::parsePythonType(PyTypeObject *type)
                 const int index = m_baseObject->indexOfProperty(String::toCString(key));
                 if (index == -1)
                     addProperty(String::toCString(key), value);
-            } else if (PyFunction_Check(value)) {
+            } else if (Py_TYPE(value)->tp_call != nullptr) {
+                // PYSIDE-198: PyFunction_Check does not work with Nuitka.
                 // Register slots.
                 if (PyObject_HasAttr(value, slotAttrName)) {
                     PyObject *signatureList = PyObject_GetAttr(value, slotAttrName);