diff --git a/{{cookiecutter.__src_folder_name}}/.devcontainer/devcontainer.json b/{{cookiecutter.__src_folder_name}}/.devcontainer/devcontainer.json
index 303cc6d..2dadc0d 100644
--- a/{{cookiecutter.__src_folder_name}}/.devcontainer/devcontainer.json
+++ b/{{cookiecutter.__src_folder_name}}/.devcontainer/devcontainer.json
@@ -38,7 +38,7 @@
                     ".pytest_cache": true,
                     "__pycache__": true
                 },
-                [python]: {
+                "[python]": {
                     "editor.formatOnSave": true,
                     "editor.defaultFormatter": "charliermarsh.ruff",
                     "editor.codeActionsOnSave": {