diff --git a/scripts/update_services.sh b/scripts/update_services.sh
index 37023e7..2fc2864 100755
--- a/scripts/update_services.sh
+++ b/scripts/update_services.sh
@@ -484,7 +484,7 @@ EOF
 }
 
 install_nomachine() {
-  if [ ! -d /usr/share/NX ];then
+  if [ ! -d /usr/share/NX ] && [ -d /etc/lightdm ];then
     echo "Installing NoMachine"
     curl -s -o ${HOME}/nomachine.deb -O "${nomachine_url}"
     apt install -y ${HOME}/nomachine.deb