diff --git a/src/registrar/tests/test_views_members_json.py b/src/registrar/tests/test_views_members_json.py
index d7b9f3a9f..5555c94c1 100644
--- a/src/registrar/tests/test_views_members_json.py
+++ b/src/registrar/tests/test_views_members_json.py
@@ -157,7 +157,7 @@ class GetPortfolioMembersJsonTest(MockEppLib, WebTest):
     @override_flag("organization_members", active=True)
     def test_get_portfolio_invited_json_authenticated(self):
         """Test that portfolio invitees are returned properly for an authenticated user."""
-        """Also tests that reposnse is 200 when no domains"""
+        """Also tests that response is 200 when no domains"""
         UserPortfolioPermission.objects.create(
             user=self.user,
             portfolio=self.portfolio,
@@ -318,19 +318,33 @@ class GetPortfolioMembersJsonTest(MockEppLib, WebTest):
             domain=domain,
         )
 
-        # create a domain not in the portfolio
+        # create another domain in the portfolio
         domain2 = Domain.objects.create(
-            name="somedomain2.com",
+            name="thissecondinvitetestsasubqueryinjson@lets.notbreak",
         )
         DomainInformation.objects.create(
             creator=self.user,
             domain=domain2,
+            portfolio=self.portfolio,
         )
         DomainInvitation.objects.create(
             email=self.email6,
             domain=domain2,
         )
 
+        # create a domain not in the portfolio
+        domain3 = Domain.objects.create(
+            name="somedomain2.com",
+        )
+        DomainInformation.objects.create(
+            creator=self.user,
+            domain=domain3,
+        )
+        DomainInvitation.objects.create(
+            email=self.email6,
+            domain=domain3,
+        )
+
         response = self.app.get(reverse("get_portfolio_members_json"), params={"portfolio": self.portfolio.id})
         self.assertEqual(response.status_code, 200)
         data = response.json
@@ -338,6 +352,7 @@ class GetPortfolioMembersJsonTest(MockEppLib, WebTest):
         # Check if the domain appears in the response JSON and domain2 does not
         domain_names = [domain_name for member in data["members"] for domain_name in member.get("domain_names", [])]
         self.assertIn("somedomain1.com", domain_names)
+        self.assertIn("thissecondinvitetestsasubqueryinjson@lets.notbreak", domain_names)
         self.assertNotIn("somedomain2.com", domain_names)
 
     @less_console_noise_decorator