diff --git a/arkindex/process/serializers/workers.py b/arkindex/process/serializers/workers.py
index e5099467341fd0c620b03d6dd054f1546ff6210e..6c84a0492db09b08605c87cda548c796333a0568 100644
--- a/arkindex/process/serializers/workers.py
+++ b/arkindex/process/serializers/workers.py
@@ -735,7 +735,7 @@ class DockerWorkerVersionSerializer(serializers.ModelSerializer):
         # Update the worker if required
         if not created:
             description = validated_data.get("worker_description")
-            if worker.name != validated_data["worker_name"] or worker.type_id != worker_type.id or (description and worker.description != description):
+            if worker.name != validated_data["worker_name"] or worker.type_id != worker_type.id or (description is not None and worker.description != description):
                 worker.name = validated_data["worker_name"]
                 worker.type_id = worker_type.id
                 worker.description = description if description else worker.description
diff --git a/arkindex/process/tests/test_docker_worker_version.py b/arkindex/process/tests/test_docker_worker_version.py
index 512baaa20f97e5cfbec32eb2048a9701eba1c3ec..8117a9145fc278b4b335af022c23a79b2c3d5eeb 100644
--- a/arkindex/process/tests/test_docker_worker_version.py
+++ b/arkindex/process/tests/test_docker_worker_version.py
@@ -20,8 +20,8 @@ class TestDockerWorkerVersion(FixtureAPITestCase):
         super().setUpTestData()
         cls.repo = Repository.objects.get(url="http://my_repo.fake/workers/worker")
         cls.rev = cls.repo.revisions.get()
-        cls.worker = Worker.objects.get(slug="reco")
-        cls.version = cls.worker.versions.get()
+        cls.worker = Worker.objects.filter(slug="reco").select_related("type").get()
+        cls.version = cls.worker.versions.select_related("revision").get()
         cls.user.user_scopes.create(scope=Scope.CreateDockerWorkerVersion)
         cls.worker_type = WorkerType.objects.create(slug="docker", display_name="Docker")
 
@@ -78,8 +78,6 @@ class TestDockerWorkerVersion(FixtureAPITestCase):
         """
         self.assertEqual(self.superuser.user_scopes.count(), 0)
         self.client.force_login(self.superuser)
-        # Keep this out of the self.assertNumQueries so as not to add irrelevant queries
-        type_slug = self.version.worker.type.slug
         response = self.client.post(
             reverse("api:version-from-docker"),
             data={
@@ -89,7 +87,7 @@ class TestDockerWorkerVersion(FixtureAPITestCase):
                 "revision_hash": "new_revision_hash",
                 "worker_slug": self.worker.slug,
                 "worker_name": self.worker.name,
-                "worker_type": type_slug,
+                "worker_type": self.worker.type.slug,
             },
             format="json",
         )
@@ -160,10 +158,6 @@ class TestDockerWorkerVersion(FixtureAPITestCase):
         """
         No worker version can be created with an existing revision hash and worker slug
         """
-        # Keep this out of the self.assertNumQueries so as not to add irrelevant queries
-        revision = self.version.revision
-        worker = self.version.worker
-        type_slug = worker.type.slug
         self.client.force_login(self.user)
         with self.assertNumQueries(13):
             response = self.client.post(
@@ -172,10 +166,10 @@ class TestDockerWorkerVersion(FixtureAPITestCase):
                     "configuration": {},
                     "docker_image_iid": "some_docker_image",
                     "repository_url": self.repo.url,
-                    "revision_hash": revision.hash,
-                    "worker_slug": worker.slug,
-                    "worker_name": worker.name,
-                    "worker_type": type_slug,
+                    "revision_hash": self.version.revision.hash,
+                    "worker_slug": self.worker.slug,
+                    "worker_name": self.worker.name,
+                    "worker_type": self.worker.type.slug,
                 },
                 format="json",
             )
@@ -189,8 +183,6 @@ class TestDockerWorkerVersion(FixtureAPITestCase):
         self.worker.archived = datetime.now(timezone.utc)
         self.worker.save()
 
-        # Keep this out of the self.assertNumQueries so as not to add irrelevant queries
-        type_slug = self.version.worker.type.slug
         with self.assertNumQueries(13):
             response = self.client.post(
                 reverse("api:version-from-docker"),
@@ -201,7 +193,7 @@ class TestDockerWorkerVersion(FixtureAPITestCase):
                     "revision_hash": "new_revision_hash",
                     "worker_slug": self.worker.slug,
                     "worker_name": self.worker.name,
-                    "worker_type": type_slug,
+                    "worker_type": self.worker.type.slug,
                 },
                 format="json",
             )
@@ -217,8 +209,6 @@ class TestDockerWorkerVersion(FixtureAPITestCase):
         """
         self.client.force_login(self.user)
 
-        # Keep this out of the self.assertNumQueries so as not to add irrelevant queries
-        type_slug = self.version.worker.type.slug
         with self.assertNumQueries(18):
             response = self.client.post(
                 reverse("api:version-from-docker"),
@@ -229,7 +219,7 @@ class TestDockerWorkerVersion(FixtureAPITestCase):
                     "revision_hash": "new_revision_hash",
                     "worker_slug": self.worker.slug,
                     "worker_name": self.worker.name,
-                    "worker_type": type_slug,
+                    "worker_type": self.worker.type.slug,
                 },
                 format="json",
             )
@@ -271,8 +261,6 @@ class TestDockerWorkerVersion(FixtureAPITestCase):
         """
         self.client.force_login(self.user)
 
-        # Keep this out of the self.assertNumQueries so as not to add irrelevant queries
-        type_slug = self.version.worker.type.slug
         with self.assertNumQueries(19):
             response = self.client.post(
                 reverse("api:version-from-docker"),
@@ -283,7 +271,7 @@ class TestDockerWorkerVersion(FixtureAPITestCase):
                     "revision_hash": "new_revision_hash",
                     "worker_slug": self.worker.slug,
                     "worker_name": self.worker.name,
-                    "worker_type": type_slug,
+                    "worker_type": self.worker.type.slug,
                     "revision_message": "Bruce was very clever",
                     "revision_author": "Iwan Roberts",
                     "revision_references": [
@@ -427,8 +415,6 @@ class TestDockerWorkerVersion(FixtureAPITestCase):
         )
 
         self.client.force_login(self.user)
-        # Keep this out of the self.assertNumQueries so as not to add irrelevant queries
-        type_slug = self.version.worker.type.slug
         with self.assertNumQueries(19):
             response = self.client.post(
                 reverse("api:version-from-docker"),
@@ -439,7 +425,7 @@ class TestDockerWorkerVersion(FixtureAPITestCase):
                     "revision_hash": "new_revision_hash",
                     "worker_slug": self.worker.slug,
                     "worker_name": self.worker.name,
-                    "worker_type": type_slug,
+                    "worker_type": self.worker.type.slug,
                     "revision_message": "Bruce was very clever",
                     "revision_author": "Iwan Roberts",
                     "revision_references": [
@@ -522,10 +508,6 @@ class TestDockerWorkerVersion(FixtureAPITestCase):
             repository=self.version.revision.repo,
         )
 
-        # Keep this out of the self.assertNumQueries so as not to add irrelevant queries
-        revision = self.version.revision
-        worker = self.version.worker
-        type_slug = worker.type.slug
         with self.assertNumQueries(13):
             response = self.client.post(
                 reverse("api:version-from-docker"),
@@ -533,10 +515,10 @@ class TestDockerWorkerVersion(FixtureAPITestCase):
                     "configuration": {},
                     "docker_image_iid": "some_docker_image",
                     "repository_url": self.repo.url,
-                    "revision_hash": revision.hash,
-                    "worker_slug": worker.slug,
-                    "worker_name": worker.name,
-                    "worker_type": type_slug,
+                    "revision_hash": self.version.revision.hash,
+                    "worker_slug": self.worker.slug,
+                    "worker_name": self.worker.name,
+                    "worker_type": self.worker.type.slug,
                     "revision_references": [
                         {"type": "tag", "name": "9.9.9.9.9.9"},
                     ],