diff --git a/vmware_nsxlib/v3/policy/core_resources.py b/vmware_nsxlib/v3/policy/core_resources.py
index 5145086b..e2eb0b57 100644
--- a/vmware_nsxlib/v3/policy/core_resources.py
+++ b/vmware_nsxlib/v3/policy/core_resources.py
@@ -1227,7 +1227,7 @@ class NsxPolicyTier1Api(NsxPolicyResourceBase):
             return self._get_realized_id_using_search(
                 self.get_path(tier1_id, tenant=tenant),
                 self.nsx_api.logical_router.resource_type,
-                resource_def=tier1_id)
+                resource_def=tier1_def)
         return self._get_realized_id(tier1_def, entity_type=entity_type,
                                      realization_info=realization_info)