diff --git a/docs/source/specs/openapi.json b/docs/source/specs/openapi.json
index 5f4b88896..2a4e15e99 100644
--- a/docs/source/specs/openapi.json
+++ b/docs/source/specs/openapi.json
@@ -1378,7 +1378,7 @@
           {
             "name": "service-accounts",
             "in": "query",
-            "description": "A comma separated list of usernames for service accounts to remove from the group",
+            "description": "A comma separated list of client IDs for service accounts to remove from the group",
             "schema": {
               "type": "string"
             }
diff --git a/rbac/management/group/view.py b/rbac/management/group/view.py
index 2fa252a97..f956d2a83 100644
--- a/rbac/management/group/view.py
+++ b/rbac/management/group/view.py
@@ -1100,19 +1100,19 @@ def remove_service_accounts(
 
         # Get the group's service accounts that match the service accounts that the user specified.
         valid_service_accounts = Principal.objects.filter(
-            group=group, tenant=tenant, type="service-account", username__in=service_accounts
+            group=group, tenant=tenant, type="service-account", service_account_id__in=service_accounts
         )
 
-        # Collect the usernames the user specified.
-        valid_usernames = valid_service_accounts.values_list("username", flat=True)
+        # Collect the service account IDs the user specified.
+        valid_service_account_ids = valid_service_accounts.values_list("service_account_id", flat=True)
 
         # If there is a difference in the sets, then we know that the user specified service accounts
         # that did not exist in the database.
-        usernames_diff = set(service_accounts).difference(valid_usernames)
-        if usernames_diff:
-            logger.info(f"Service accounts {usernames_diff} not found for org id {org_id}.")
+        service_account_ids_diff = set(service_accounts).difference(valid_service_account_ids)
+        if service_account_ids_diff:
+            logger.info(f"Service accounts {service_account_ids_diff} not found for org id {org_id}.")
 
-            raise ValueError(f"Service account(s) {usernames_diff} not found in the group '{group.name}'")
+            raise ValueError(f"Service account(s) {service_account_ids_diff} not found in the group '{group.name}'")
 
         # Remove service accounts from the group.
         with transaction.atomic():
@@ -1120,7 +1120,8 @@ def remove_service_accounts(
                 group.principals.remove(service_account)
 
         logger.info(
-            f"[Request_id:{request_id}] {valid_usernames} removed from group {group.name} for org id {org_id}."
+            f"[Request_id:{request_id}] {valid_service_account_ids} "
+            f"removed from group {group.name} for org id {org_id}."
         )
         for username in service_accounts:
             group_principal_change_notification_handler(self.request.user, group, username, "removed")
diff --git a/tests/management/group/test_view.py b/tests/management/group/test_view.py
index 38948aee5..db4ebf4a4 100644
--- a/tests/management/group/test_view.py
+++ b/tests/management/group/test_view.py
@@ -3065,7 +3065,7 @@ def test_group_service_account_with_user_administrator_role_remove_principals(se
 
         # Generate the URL for removing the principals from the regular group.
         group_principals_url = reverse("group-principals", kwargs={"uuid": regular_group.uuid})
-        group_principals_url = f"{group_principals_url}?service-accounts={service_account_principal_to_delete.username}&usernames={user_principal_to_remove.username}"
+        group_principals_url = f"{group_principals_url}?service-accounts={service_account_principal_to_delete.service_account_id}&usernames={user_principal_to_remove.username}"
         api_client = APIClient()
 
         # Make sure that before calling the endpoint the group has the two principals.
@@ -3355,7 +3355,7 @@ def test_group_user_with_user_administrator_role_remove_principals(self):
 
         # Generate the URL for removing the principals from the regular group.
         group_principals_url = reverse("group-principals", kwargs={"uuid": regular_group.uuid})
-        group_principals_url = f"{group_principals_url}?service-accounts={service_account_principal_to_delete.username}&usernames={user_principal_to_remove.username}"
+        group_principals_url = f"{group_principals_url}?service-accounts={service_account_principal_to_delete.service_account_id}&usernames={user_principal_to_remove.username}"
         api_client = APIClient()
 
         # Make sure that before calling the endpoint the group has the two principals.
@@ -4090,7 +4090,7 @@ def test_remove_service_account_principal_from_group_without_User_Access_Admin_f
 
         url = (
             reverse("group-principals", kwargs={"uuid": test_group.uuid})
-            + f"?service-accounts={sa_principal.username}"
+            + f"?service-accounts={sa_principal.service_account_id}"
         )
         client = APIClient()
 
@@ -4160,7 +4160,7 @@ def test_remove_service_account_principal_from_group_with_User_Access_Admin_succ
 
         url = (
             reverse("group-principals", kwargs={"uuid": test_group.uuid})
-            + f"?service-accounts={sa_principal.username}"
+            + f"?service-accounts={sa_principal.service_account_id}"
         )
         client = APIClient()
 
@@ -4252,7 +4252,7 @@ def test_remove_service_account_principal_from_group_with_User_Access_Admin_fail
 
         url = (
             reverse("group-principals", kwargs={"uuid": test_group.uuid})
-            + f"?service-accounts={sa_principal.username}"
+            + f"?service-accounts={sa_principal.service_account_id}"
         )
         client = APIClient()