diff --git a/docmaster/start.sh b/docmaster/start.sh
index ce3eb1d..8921fcc 100755
--- a/docmaster/start.sh
+++ b/docmaster/start.sh
@@ -4,5 +4,8 @@ set -e
 CONFIG_PATH=/data/options.json
 PRINTER_HOST=$(jq --raw-output ".printer_host" $CONFIG_PATH)
 
+echo "PRINTER_HOST: $PRINTER_HOST"
+
 cd /app
+export PRINTER_HOST
 gunicorn app:app --bind 0.0.0.0:6000 --workers=2