diff --git a/.github/workflows/acceptance-tests.yml b/.github/workflows/acceptance-tests.yml
index 33924f3ea..61c5e6b56 100644
--- a/.github/workflows/acceptance-tests.yml
+++ b/.github/workflows/acceptance-tests.yml
@@ -47,6 +47,11 @@ jobs:
       url: https://renku-ci-ds-${{ github.event.number }}.dev.renku.ch
     steps:
       - uses: actions/checkout@v4
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.RENKU_DOCKER_USERNAME }}
+          password: ${{ secrets.RENKU_DOCKER_PASSWORD }}
       - name: Find deplyoment url
         uses: peter-evans/find-comment@v3
         id: deploymentUrlMessage
diff --git a/components/renku_data_services/notebooks/blueprints.py b/components/renku_data_services/notebooks/blueprints.py
index 77bdc0669..e44a653d8 100644
--- a/components/renku_data_services/notebooks/blueprints.py
+++ b/components/renku_data_services/notebooks/blueprints.py
@@ -298,14 +298,15 @@ async def _handler(
                 # TODO: Add types for saved and unsaved resource class
                 resource_class_id = cast(int, resource_class.id)
             else:
-                resource_class = await self.rp_repo.get_resource_class(user, resource_class_id)
+                resource_class = await self.rp_repo.get_resource_class(user, body.resource_class_id)
                 # TODO: Add types for saved and unsaved resource class
-                resource_class_id = cast(int, resource_class.id)
+                resource_class_id = body.resource_class_id
                 quota = resource_class.quota
             await self.nb_config.crc_validator.validate_class_storage(user, resource_class_id, body.disk_storage)
             work_dir_fallback = PurePosixPath("/home/jovyan")
             work_dir = environment.working_directory or image_workdir or work_dir_fallback
             storage_mount_fallback = work_dir / "work"
+            storage_mount = launcher.environment.mount_directory or storage_mount_fallback
             # TODO: Wait for pitch on users secrets to implement this
             # user_secrets: K8sUserSecrets | None = None
             # if body.user_secrets:
@@ -344,7 +345,7 @@ async def _handler(
                         quiet=True,
                     )
                 if csr.target_path is not None and not PurePosixPath(csr.target_path).is_absolute():
-                    csr.target_path = (work_dir / csr.target_path).as_posix()
+                    csr.target_path = (storage_mount / csr.target_path).as_posix()
                 dcs[csr_id] = dcs[csr_id].with_override(csr)
             git_providers = await self.nb_config.git_provider_helper.get_providers(user=user)
             repositories: list[Repository] = []
@@ -405,7 +406,7 @@ async def _handler(
                 config=self.nb_config,
                 repositories=repositories,
                 git_providers=git_providers,
-                workspace_mount_path=launcher.environment.mount_directory or storage_mount_fallback,
+                workspace_mount_path=storage_mount,
                 work_dir=work_dir,
             )
             if git_clone is not None:
@@ -464,9 +465,7 @@ async def _handler(
                         storage=Storage(
                             className=self.nb_config.sessions.storage.pvs_storage_class,
                             size=str(body.disk_storage) + "G",
-                            mountPath=environment.mount_directory.as_posix()
-                            if environment.mount_directory
-                            else storage_mount_fallback.as_posix(),
+                            mountPath=storage_mount.as_posix(),
                         ),
                         workingDir=work_dir.as_posix(),
                         runAsUser=environment.uid,