diff --git a/django_mongodb/query.py b/django_mongodb/query.py
index 03e5cf9..bf36a98 100644
--- a/django_mongodb/query.py
+++ b/django_mongodb/query.py
@@ -128,13 +128,13 @@ class MongoRelatedIn(MongoIn):
 class MongoEqualityComparison(MongoLookup):
     """MongoDB Query Node for LessThanOrEqual"""
 
-    operator: str
+    filter_operator: str
 
     def __init__(
         self, operator: LessThan | LessThanOrEqual | GreaterThan | GreaterThanOrEqual, mongo_meta
     ):
         super().__init__(operator, mongo_meta)
-        self.operator = {
+        self.filter_operator = {
             LessThan: "$lt",
             LessThanOrEqual: "$lte",
             GreaterThan: "$gt",
diff --git a/test/test_models.py b/test/test_models.py
index 9406fd2..b397d8a 100644
--- a/test/test_models.py
+++ b/test/test_models.py
@@ -1,10 +1,12 @@
 import datetime
 import os
 import time
+from datetime import timedelta
 
 import pytest
 from bson import ObjectId
 from django.contrib.postgres.search import SearchQuery, SearchVector
+from django.utils.timezone import now
 
 from refapp.models import RefModel
 from testapp.models import (
@@ -61,6 +63,17 @@ def test_mongo_emtpy():
     assert len(list(FooModel.objects.none())) == 0
 
 
+@pytest.mark.django_db(databases=["mongodb"])
+def test_mongo_lookup():
+    FooModel.objects.all().delete()
+
+    FooModel.objects.create(name="test", json_field={"foo": "bar"})
+    FooModel.objects.create(name="test2", json_field={"foo": "bar"})
+
+    assert len(list(FooModel.objects.filter(datetime_field__gt=now() - timedelta(hours=1)))) == 2
+    assert len(list(FooModel.objects.filter(name="test"))) == 1
+
+
 @pytest.mark.django_db(databases=["mongodb"])
 def test_mongo_model_filter_delete():
     FooModel.objects.all().delete()