diff --git a/src/registrar/forms/domain_request_wizard.py b/src/registrar/forms/domain_request_wizard.py
index 0cf82558b..d7a02b124 100644
--- a/src/registrar/forms/domain_request_wizard.py
+++ b/src/registrar/forms/domain_request_wizard.py
@@ -322,7 +322,7 @@ class OrganizationContactForm(RegistrarForm):
         # if it has been filled in when required.
         # uncomment to see if modelChoiceField can be an arg later
         required=False,
-        # We populate this queryset in init. We want to exclude agencies with a portfolio.
+        # We populate this queryset in init.
         queryset=FederalAgency.objects.none(),
         widget=ComboboxWidget,
     )
@@ -369,12 +369,12 @@ class OrganizationContactForm(RegistrarForm):
         super().__init__(*args, **kwargs)
 
         # Set the queryset for federal agency.
-        # If the organization_requests flag is active, we hide data that exists in portfolios.
+        # If the organization_requests flag is active, We want to exclude agencies with a portfolio.
         federal_agency_queryset = FederalAgency.objects.exclude(agency__in=self.excluded_agencies)
         if flag_is_active_anywhere("organization_feature") and flag_is_active_anywhere("organization_requests"):
-            # Exclude both predefined agencies and those matching portfolio names in one query
+            # Exclude both predefined agencies and those matching portfolio records in one query
             federal_agency_queryset = federal_agency_queryset.exclude(
-                agency__in=Portfolio.objects.values_list("organization_name", flat=True)
+                id__in=Portfolio.objects.values_list("federal_agency__id", flat=True)
             )
 
         self.fields["federal_agency"].queryset = federal_agency_queryset
diff --git a/src/registrar/models/domain_request.py b/src/registrar/models/domain_request.py
index fdeebaad6..3071d40d8 100644
--- a/src/registrar/models/domain_request.py
+++ b/src/registrar/models/domain_request.py
@@ -1306,9 +1306,9 @@ class DomainRequest(TimeStampedModel):
                 Portfolio = apps.get_model("registrar.Portfolio")
                 return (
                     FederalAgency.objects.exclude(
-                        agency__in=Portfolio.objects.values_list("organization_name", flat=True),
+                        id__in=Portfolio.objects.values_list("federal_agency__id", flat=True),
                     )
-                    .filter(agency=self.federal_agency)
+                    .filter(id=self.federal_agency.id)
                     .exists()
                 )
         return bool(