1 files changed, 1 insertions, 1 deletions
diff --git a/siplib/tqtlib.c b/siplib/tqtlib.c
index df35d6c..d59c138 100644
--- a/siplib/tqtlib.c
+++ b/siplib/tqtlib.c
@@ -143,7 +143,7 @@ PyObject *sip_api_invoke_slot(const sipSlot *slot, PyObject *sigargs)
          * longer exists.
          */
         if (PyObject_TypeCheck(self, (PyTypeObject *)&sipSimpleWrapper_Type) &&
-            sip_api_get_address(self) == NULL)
+            sip_api_get_address((sipSimpleWrapper *)self) == NULL)
         {
             Py_XDECREF(sref);