diff --git a/entrypoint.sh b/entrypoint.sh
index 4c70052..1625315 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -10,12 +10,10 @@ if [ -n "$VNC_PASSWORD" ]; then
   mkdir -p /root/.vnc
   echo "$VNC_PASSWORD" | vncpasswd -f > /root/.vnc/passwd
   chmod 0600 /root/.vnc/passwd
+  export VNC_SEC=
+else
+  export VNC_SEC="-securitytypes TLSNone,X509None,None"
 fi
-# vncserver "$DISPLAY" -securitytypes TLSNone,X509None,None -depth 24 -geometry "$VNC_RESOLUTION"
-# websockify -D --web=/usr/share/novnc/ "$NOVNC_PORT" localhost:$((5900 + DISPLAY_NUMBER))
-# echo "NoVNC server started on port $NOVNC_PORT"
-# EXEC=$@
-# exec "$@"
 export LOCALFBPORT=$((5900 + DISPLAY_NUMBER))
 export VGLRUN=vglrun
 chown -R slic3r:slic3r /home/slic3r/ /configs/ /prints/ /dev/stdout && exec gosu slic3r supervisord # -e TRACE
diff --git a/supervisord.conf b/supervisord.conf
index 1695d56..1193783 100644
--- a/supervisord.conf
+++ b/supervisord.conf
@@ -4,7 +4,7 @@ pidfile=/tmp/supervisord.pid
 
 [program:vnc]
 priority=0
-command=/opt/TurboVNC/bin/vncserver %(ENV_DISPLAY)s -fg  -securitytypes TLSNone,X509None,None -depth 24 -geometry %(ENV_VNC_RESOLUTION)s
+command=/opt/TurboVNC/bin/vncserver %(ENV_DISPLAY)s -fg  %(ENV_VNC_SEC)s -depth 24 -geometry %(ENV_VNC_RESOLUTION)s
 autorestart=true
 redirect_stderr=true