diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 0158f47..df5e7e6 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -29,10 +29,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Python 3.10 Setup
+    - name: Python Setup
       uses: actions/setup-python@v2
       with:
-        python-version: "3.10"
+        python-version: "3.12"
     - name: Install dependencies
       run: |
         sudo apt-get update
diff --git a/app/main.py b/app/main.py
index ea30ea3..f587c6a 100644
--- a/app/main.py
+++ b/app/main.py
@@ -35,7 +35,7 @@ def create_app(config: Optional[str] = None) -> Flask:
 
     from .config import get_config_from_env
 
-    cfg = get_config_from_env(config or os.getenv("ENV"))
+    cfg = get_config_from_env(config or os.getenv("FLASK_ENV") or os.getenv("ENV"))
     app.config.from_object(cfg)
 
     with app.app_context():