diff --git a/Objects/floatobject.c b/Objects/floatobject.c
index 1143fab..82f9960 100644
--- a/Objects/floatobject.c
+++ b/Objects/floatobject.c
@@ -1839,7 +1839,7 @@
     tmp = float_new(&PyFloat_Type, args, kwds);
     if (tmp == NULL)
         return NULL;
-    assert(PyFloat_CheckExact(tmp));
+    assert(PyFloat_Check(tmp));
     newobj = type->tp_alloc(type, 0);
     if (newobj == NULL) {
         Py_DECREF(tmp);