diff --git a/src/registrar/assets/js/get-gov.js b/src/registrar/assets/js/get-gov.js
index 734e7918d..1ff5e3c3f 100644
--- a/src/registrar/assets/js/get-gov.js
+++ b/src/registrar/assets/js/get-gov.js
@@ -1219,7 +1219,7 @@ document.addEventListener('DOMContentLoaded', function() {
             const expirationDateFormatted = expirationDate ? expirationDate.toLocaleDateString('en-US', options) : '';
             const expirationDateSortValue = expirationDate ? expirationDate.getTime() : '';
             const actionUrl = domain.action_url;
-            const suborganization = domain.suborganization ? domain.suborganization : '⎯';
+            const suborganization = domain.domain_info__sub_organization ? domain.domain_info__sub_organization : '⎯';
 
             const row = document.createElement('tr');
 
diff --git a/src/registrar/templates/includes/domains_table.html b/src/registrar/templates/includes/domains_table.html
index 6c805ff84..414325e89 100644
--- a/src/registrar/templates/includes/domains_table.html
+++ b/src/registrar/templates/includes/domains_table.html
@@ -157,7 +157,7 @@
             <th data-sortable="expiration_date" scope="col" role="columnheader">Expires</th>
             <th data-sortable="state_display" scope="col" role="columnheader">Status</th>
             {% if portfolio and has_view_suborganization_portfolio_permission %}
-              <th data-sortable="suborganization" scope="col" role="columnheader">Suborganization</th>
+              <th data-sortable="domain_info__sub_organization" scope="col" role="columnheader">Suborganization</th>
             {% endif %}
             <th 
               scope="col" 
diff --git a/src/registrar/views/domains_json.py b/src/registrar/views/domains_json.py
index 06c211227..e72aac5fb 100644
--- a/src/registrar/views/domains_json.py
+++ b/src/registrar/views/domains_json.py
@@ -133,5 +133,5 @@ def serialize_domain(domain, user):
         "action_url": reverse("domain", kwargs={"pk": domain.id}),
         "action_label": ("View" if view_only else "Manage"),
         "svg_icon": ("visibility" if view_only else "settings"),
-        "suborganization": suborganization_name,
+        "domain_info__sub_organization": suborganization_name,
     }