diff --git a/vendor/python.gunicorn.sh b/vendor/python.gunicorn.sh
index 7484c56..3a91e3a 100755
--- a/vendor/python.gunicorn.sh
+++ b/vendor/python.gunicorn.sh
@@ -2,4 +2,4 @@
 export FORWARDED_ALLOW_IPS='*'
 
 # Automatic configuration for Gunicorn's stdout access log setting.
-export GUNICORN_CMD_ARGS="--access-logfile -"
+export GUNICORN_CMD_ARGS=${GUNICORN_CMD_ARGS:-"--access-logfile -"}