diff --git a/services/director/src/simcore_service_director/producer.py b/services/director/src/simcore_service_director/producer.py
index 05f9c30a348..9287313c221 100644
--- a/services/director/src/simcore_service_director/producer.py
+++ b/services/director/src/simcore_service_director/producer.py
@@ -63,8 +63,7 @@ async def _check_node_uuid_available(
         # not filtering by "swarm_stack_name" label because it's safer
         list_of_running_services_w_uuid = await client.services.list(
             filters={
-                "label": f"{_to_simcore_runtime_docker_label_key('node_id')}="
-                + node_uuid
+                "label": f"{_to_simcore_runtime_docker_label_key('node_id')}={node_uuid}"
             }
         )
     except aiodocker.exceptions.DockerError as err:
@@ -1036,7 +1035,7 @@ async def get_services_details(
                 )
             if study_id:
                 filters.append(
-                    f"{_to_simcore_runtime_docker_label_key('study_id')}=" + study_id
+                    f"{_to_simcore_runtime_docker_label_key('project_id')}=" + study_id
                 )
             list_running_services = await client.services.list(
                 filters={"label": filters}
diff --git a/services/director/tests/test_producer.py b/services/director/tests/test_producer.py
index 84811e23462..e8fcc4a6fdb 100644
--- a/services/director/tests/test_producer.py
+++ b/services/director/tests/test_producer.py
@@ -174,7 +174,7 @@ async def test_service_assigned_env_variables(
     for service in started_services:
         service_uuid = service["service_uuid"]
         list_of_services = client.services.list(
-            filters={"label": "uuid=" + service_uuid}
+            filters={"label": f"io.simcore.runtime.node-id={service_uuid}"}
         )
         assert len(list_of_services) == 1
         docker_service = list_of_services[0]
@@ -219,7 +219,9 @@ async def test_interactive_service_published_port(docker_network, run_services):
 
     client = docker.from_env()
     service_uuid = service["service_uuid"]
-    list_of_services = client.services.list(filters={"label": "uuid=" + service_uuid})
+    list_of_services = client.services.list(
+        filters={"label": f"io.simcore.runtime.node-id={service_uuid}"}
+    )
     assert len(list_of_services) == 1
 
     docker_service = list_of_services[0]
@@ -265,7 +267,7 @@ async def test_interactive_service_in_correct_network(
         client = docker.from_env()
         service_uuid = service["service_uuid"]
         list_of_services = client.services.list(
-            filters={"label": "uuid=" + service_uuid}
+            filters={"label": f"io.simcore.runtime.node-id={service_uuid}"}
         )
         assert list_of_services
         assert len(list_of_services) == 1
@@ -285,7 +287,7 @@ async def test_dependent_services_have_common_network(docker_network, run_servic
         client = docker.from_env()
         service_uuid = service["service_uuid"]
         list_of_services = client.services.list(
-            filters={"label": "uuid=" + service_uuid}
+            filters={"label": f"io.simcore.runtime.node-id={service_uuid}"}
         )
         # there is one dependency per service
         assert len(list_of_services) == 2