diff --git a/app.py b/app.py
index 0b052dd..95fad21 100644
--- a/app.py
+++ b/app.py
@@ -26,6 +26,7 @@ logging.basicConfig(
 )
 logging.getLogger("urllib3.connectionpool").setLevel(logging.ERROR)
 logger = logging.getLogger(__name__)
+logger.setLevel(os.environ.get('NICONICOGAY_LOG', 'INFO').upper())
 app = Flask(__name__)
 
 HOST = os.environ.get('NICONICOGAY_HOST', 'https://nicovideo.gay')