diff --git a/README.md b/README.md
index d22db41..82d3cdb 100644
--- a/README.md
+++ b/README.md
@@ -92,6 +92,9 @@ So, to connect to the SSH server you will use the 10022 port on localhost.
 
 
 ```
+# Choose the XFCE image 
+export IMAGE=packer-teamlaser-lj-xfce
+
 # start the VM
 sudo /usr/bin/qemu-system-x86_64 \
   -m 2048M  -boot once=d \
@@ -169,6 +172,9 @@ $SU ip address show dev ${HOST_IF} | grep global || echo -e "\n\e[31mOops.... Re
 
 Notice how the `net` model changed: we have a MAC address and use the `tap` interface to exchange network packets.
 ```
+# Choose the XFCE image 
+export IMAGE=packer-teamlaser-lj-xfce
+
 sudo /usr/bin/qemu-system-x86_64\
  -m 2048M  -boot once=d\
  -machine type=pc,accel=kvm\