diff --git a/pyeudiw/satosa/backend.py b/pyeudiw/satosa/backend.py
index 9771b19d..6d53ee3f 100644
--- a/pyeudiw/satosa/backend.py
+++ b/pyeudiw/satosa/backend.py
@@ -822,7 +822,7 @@ def status_endpoint(self, context):
 
         request_object = session.get("request_object", None)
         if request_object:
-            if request_object["exp"] >= iat_now():
+            if iat_now() > request_object["exp"]:
                 return self.handle_error(
                     context=context,
                     message="expired",
diff --git a/pyeudiw/tests/satosa/test_backend.py b/pyeudiw/tests/satosa/test_backend.py
index 096efd75..c5406eef 100644
--- a/pyeudiw/tests/satosa/test_backend.py
+++ b/pyeudiw/tests/satosa/test_backend.py
@@ -380,7 +380,7 @@ def test_request_endpoint(self, context):
         assert payload["response_uri"] == CONFIG["metadata"]["redirect_uris"][0]
 
         datetime_mock = Mock(wraps=datetime.datetime)
-        datetime_mock.now.return_value = datetime.datetime(1999, 1, 1)
+        datetime_mock.now.return_value = datetime.datetime(2999, 1, 1)
         with patch('datetime.datetime', new=datetime_mock):
             self.backend.status_endpoint(context)
             state_endpoint_response = self.backend.status_endpoint(context)