diff --git a/startup.sh b/startup.sh
index 7f80ed6..f2ad9f1 100755
--- a/startup.sh
+++ b/startup.sh
@@ -12,7 +12,7 @@
 # 2. start x11 and vnc connection
 # to inspect logs in detail, use --verbose
 #x11vnc -display :0 -passwd $VNCPASS -forever -rfbport 5900 -noncache &
-x11vnc  -display :0 -passwd $VNCPASS -forever -rfbport 5900 -bg -xkb -noxrecord -noxfixes -noxdamage -shared -norc -repeat &
+x11vnc  -display :0 -passwd $VNCPASS -forever -rfbport 5900 -bg -xkb -noxrecord -noxfixes -noxdamage -shared -norc -repeat  -ncache 10 &
 sleep 2  # wait for the server gets ready
 
 # 2.5 start audio