diff --git a/django/thunderstore/api/cyberstorm/tests/test_package_details.py b/django/thunderstore/api/cyberstorm/tests/test_package_details.py
index 353bdc8d3..8796fd9b0 100644
--- a/django/thunderstore/api/cyberstorm/tests/test_package_details.py
+++ b/django/thunderstore/api/cyberstorm/tests/test_package_details.py
@@ -194,5 +194,28 @@ def test_package_detail_view__returns_info(api_client: APIClient) -> None:
     assert actual["website_url"] == latest.website_url
 
 
+@pytest.mark.django_db
+def test_package_detail_view__serializes_url_correctly(api_client: APIClient) -> None:
+    l = PackageListingFactory(
+        package_version_kwargs={
+            "website_url": "https://thunderstore.io/",
+        },
+    )
+
+    url = f"/api/cyberstorm/package/{l.community.identifier}/{l.package.namespace}/{l.package.name}/"
+    response = api_client.get(url)
+    actual = response.json()
+
+    assert actual["website_url"] == "https://thunderstore.io/"
+
+    l.package.latest.website_url = ""
+    l.package.latest.save(update_fields=("website_url",))
+
+    response = api_client.get(url)
+    actual = response.json()
+
+    assert actual["website_url"] == None
+
+
 def _date_to_z(value: datetime) -> str:
     return value.strftime("%Y-%m-%dT%H:%M:%S.%fZ")
diff --git a/django/thunderstore/api/cyberstorm/views/package_detail.py b/django/thunderstore/api/cyberstorm/views/package_detail.py
index e6341d053..40994787a 100644
--- a/django/thunderstore/api/cyberstorm/views/package_detail.py
+++ b/django/thunderstore/api/cyberstorm/views/package_detail.py
@@ -37,6 +37,18 @@ class TeamSerializer(serializers.Serializer):
     members = CyberstormTeamMemberSerializer(many=True)
 
 
+class EmptyStringAsNoneField(serializers.Field):
+    """
+    Serialize empty string to None and deserialize vice versa.
+    """
+
+    def to_representation(self, value):
+        return None if value == "" else value
+
+    def to_internal_value(self, data):
+        return "" if data is None else data
+
+
 class ResponseSerializer(serializers.Serializer):
     """
     Data shown on package detail view.
@@ -69,7 +81,7 @@ class ResponseSerializer(serializers.Serializer):
     rating_count = serializers.IntegerField(min_value=0)
     size = serializers.IntegerField(min_value=0, source="package.latest.file_size")
     team = TeamSerializer(source="package.owner")
-    website_url = serializers.CharField(source="package.latest.website_url")
+    website_url = EmptyStringAsNoneField(source="package.latest.website_url")
 
     def get_has_changelog(self, listing: PackageListing) -> bool:
         changelog = listing.package.latest.changelog