diff --git a/x11vnc-remote-extended-display/extended-display.sh b/x11vnc-remote-extended-display/extended-display.sh
index 2c3e23d..bc0c204 100755
--- a/x11vnc-remote-extended-display/extended-display.sh
+++ b/x11vnc-remote-extended-display/extended-display.sh
@@ -28,9 +28,9 @@ xrandr | grep disconnected | awk '{print $1}'
 echo "---------------"
 read -p 'Enter one of the ports to be used for VNC: ' PORT
 
-xrandr --addmode $PORT ${CLIENT_WIDTH}x${CLEINT_HEIGHT}_${REFRESH_RATE}
+xrandr --addmode $PORT ${CLIENT_WIDTH}x${CLEINT_HEIGHT}_${REFRESH_RATE}.00
 sleep 10
-xrandr --output $PORT --mode ${CLIENT_WIDTH}x${CLEINT_HEIGHT}_${REFRESH_RATE}
+xrandr --output $PORT --mode ${CLIENT_WIDTH}x${CLEINT_HEIGHT}_${REFRESH_RATE}.00
 
 echo Configure the new diplay where you want
 sleep 3