diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
index e4dc1bfa73a..b4d4e2f2bfa 100644
--- a/Modules/_datetimemodule.c
+++ b/Modules/_datetimemodule.c
@@ -613,7 +613,7 @@ time_alloc(PyTypeObject *type, Py_ssize_t aware)
                 sizeof(_PyDateTime_BaseTime));
     if (self == NULL)
         return (PyObject *)PyErr_NoMemory();
-    PyObject_INIT(self, type);
+    (void)PyObject_INIT(self, type);
     return self;
 }
 
@@ -628,7 +628,7 @@ datetime_alloc(PyTypeObject *type, Py_ssize_t aware)
                 sizeof(_PyDateTime_BaseDateTime));
     if (self == NULL)
         return (PyObject *)PyErr_NoMemory();
-    PyObject_INIT(self, type);
+    (void)PyObject_INIT(self, type);
     return self;
 }