diff --git a/startup.sh b/startup.sh
index b6ff69a..7f80ed6 100755
--- a/startup.sh
+++ b/startup.sh
@@ -21,7 +21,7 @@
 # sleep 2
 
 # 3. start noVNC
-/noVNC-1.2.0/utils/launch.sh --vnc localhost:5900 --listen 8081 &
+/noVNC-1.2.0/utils/launch.sh --vnc 172.17.0.2:5900 --listen 8081 &
 sleep 2
 
 echo 'running noVNC at http://docker_ip:6080/vnc_lite.html'