diff --git a/Objects/typeobject.c b/Objects/typeobject.c
index bf40951..7a79bcb 100644
--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -3359,6 +3359,7 @@
 		PyTuple_SET_ITEM(newargs, i+1, x);
 	}
 	x = PyObject_Call(func, newargs, kwds);
+	Py_DECREF(newargs);
 	Py_DECREF(func);
 	return x;
 }