diff --git a/install b/install
index 14aa1b0..28a5e91 100644
--- a/install
+++ b/install
@@ -27,7 +27,7 @@ cat >> $HOME/.profile <<'EOF'
 pulseaudio --start --exit-idle-time=-1 # ROID_INST
 pacmd load-module module-native-protocol-tcp auth-ip-acl=127.0.0.1 auth-anonymous=1 # ROID_INST
 EOF
-if [ "$NOX" = "n" ]; then
+if [ -z "$NOX" ]; then
   pkg install -y x11-repo
   pkg install -y termux-x11-nightly virglrenderer-android
   echo 'virgl_test_server_android & # ROID_INST' >> $HOME/.profile
@@ -46,7 +46,7 @@ echo 'Package setup...'
 proot-distro run void-glibc-full -- sh -c "xbps-install -Suyy && xbps-install -Sy $ALL_PKGS"
 echo 'Post-installation steps (CLI)...'
 proot-distro run void-glibc-full -e TERMUX_HOME=$HOME -- sh $HOME/roid/postinstall-cli
-if [ "$NOX" = "n" ]; then
+if [ -z "$NOX" ]; then
   echo 'Post-installation steps (GUI)...'
   proot-distro run void-glibc-full -- sh -c "ln -s $TMPDIR/.virgl_test /tmp/"
   proot-distro run void-glibc-full -e TERMUX_HOME=$HOME -- sh $HOME/roid/postinstall-gui