diff --git a/Changelog.md b/Changelog.md
index a2140eb8b1387461a6a8879d8588c05f74a25651..6a3d59571f679a2cf9576d9b15d96af7022797a0 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## [2.35] - 2025-01-30
+- Fix a bug in the L3 Core Service validation workflow
+
 ## [2.34] - 2025-01-27
 - Update SharePoint list interaction for L3 Core Services
 - Update signature of helper methods that return Subscription objects
diff --git a/gso/workflows/l3_core_service/validate_l3_core_service.py b/gso/workflows/l3_core_service/validate_l3_core_service.py
index 9b6fdcf7dd8f943bf2614d398e3396159b938bf0..0b02e34f6695578755c7c167755d8837a4f9fe63 100644
--- a/gso/workflows/l3_core_service/validate_l3_core_service.py
+++ b/gso/workflows/l3_core_service/validate_l3_core_service.py
@@ -73,6 +73,7 @@ def validate_l3_core_service() -> StepList:
         begin
         >> store_process_subscription(Target.SYSTEM)
         >> unsync
+        >> build_fqdn_list
         >> anonymous_lso_interaction(validate_sbp_config)
         >> anonymous_lso_interaction(validate_bgp_peers)
         >> validate_dns_records
diff --git a/setup.py b/setup.py
index 5ef9fd24e8e765b93dafd99470d1fa7c6993156c..5ab81a4959d87cd3fa00d226da6003f86f633ee4 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@ from setuptools import find_packages, setup
 
 setup(
     name="geant-service-orchestrator",
-    version="2.34",
+    version="2.35",
     author="GÉANT Orchestration and Automation Team",
     author_email="goat@geant.org",
     description="GÉANT Service Orchestrator",
diff --git a/test/workflows/l3_core_service/test_validate_l3_core_service.py b/test/workflows/l3_core_service/test_validate_l3_core_service.py
new file mode 100644
index 0000000000000000000000000000000000000000..9f226e11b8dcfb13f5c82e58b8035b3b694f14d1
--- /dev/null
+++ b/test/workflows/l3_core_service/test_validate_l3_core_service.py
@@ -0,0 +1,38 @@
+from unittest.mock import patch
+
+import pytest
+
+from gso.products.product_types.l3_core_service import L3CoreService, L3CoreServiceType
+from test.workflows import assert_complete, assert_lso_success, extract_state, run_workflow
+
+
+@pytest.mark.workflow()
+@patch("gso.services.lso_client._send_request")
+@pytest.mark.parametrize(
+    "l3_core_service_type",
+    [
+        L3CoreServiceType.GEANT_IP,
+        L3CoreServiceType.IAS,
+        L3CoreServiceType.GWS,
+        L3CoreServiceType.LHCONE,
+        L3CoreServiceType.COPERNICUS,
+    ],
+)
+def test_validate_l3_core_service(
+    mock_lso_interaction, l3_core_service_subscription_factory, faker, l3_core_service_type
+):
+    subscription_id = str(
+        l3_core_service_subscription_factory(l3_core_service_type=l3_core_service_type).subscription_id
+    )
+    initial_l3_core_service_data = [{"subscription_id": subscription_id}]
+    result, process_stat, step_log = run_workflow("validate_l3_core_service", initial_l3_core_service_data)
+    result, step_log = assert_lso_success(result, process_stat, step_log)
+    result, _ = assert_lso_success(result, process_stat, step_log)
+    assert_complete(result)
+
+    state = extract_state(result)
+    subscription_id = state["subscription_id"]
+    subscription = L3CoreService.from_subscription(subscription_id)
+    assert subscription.status == "active"
+    assert subscription.insync is True
+    assert mock_lso_interaction.call_count == 2