diff --git a/src/app/config.py b/src/app/config.py
index ecc0f6b5..fa923aa5 100644
--- a/src/app/config.py
+++ b/src/app/config.py
@@ -47,8 +47,9 @@
 S3_SECRET_KEY: str = os.environ["S3_SECRET_KEY"]
 S3_REGION: str = os.environ["S3_REGION"]
 S3_ENDPOINT_URL: str = os.environ["S3_ENDPOINT_URL"]
-S3_USE_PROXY: bool = os.environ.get("S3_USE_PROXY", "").lower() != "false"
-S3_PROXY_URL: Union[str, None] = os.environ["S3_PROXY_URL"] if S3_USE_PROXY else None
+S3_USE_PROXY: bool = os.environ.get("S3_USE_PROXY", "false").lower() != "false"
+S3_PROXY_URL: Union[str,
+                    None] = os.environ["S3_PROXY_URL"] if S3_USE_PROXY else None
 DUMMY_BUCKET_FILE = (
     "https://ec.europa.eu/jrc/sites/jrcsh/files/styles/normal-responsive/"
     "public/growing-risk-future-wildfires_adobestock_199370851.jpeg"