diff --git a/haini.sh b/haini.sh
index b0212e5..92aa8d9 100755
--- a/haini.sh
+++ b/haini.sh
@@ -20,7 +20,7 @@ if ! test "$HAIN_ENV" && ! type bwrap >/dev/null 2>&1 ; then
   exit 1
 fi
 
-if test $(sysctl -n kernel.unprivileged_userns_clone) -ne 1 ; then
+if test "$(sysctl -n kernel.unprivileged_userns_clone)" -ne 1 ; then
   echo "Necesitamos configurar tu sistema, ingresa tu contraseña para correr el comando" >&2
   echo "sudo sysctl -a kernel.unprivileged_userns_clone=1" >&2
   sudo sysctl -a kernel.unprivileged_userns_clone=1
@@ -148,7 +148,7 @@ crear_entorno() {
   # Instalar las dependencias solo si cambiaron
   if test "$ENTORNO/etc/apk/world" -ot "$DIR/packages"; then
     echo "Instalando paquetes..." >&2
-    packages="$(cat "$DIR/packages" | tr "\n" " ")"
+    packages="$(tr "\n" " " < "$DIR/packages")"
     correr "apk add --no-cache $packages"
   fi
 
@@ -200,7 +200,7 @@ case $1 in
   ;;
 esac
 
-if test $HAIN_ENV; then
+if test "$HAIN_ENV"; then
   ${*:-$DEFAULT}
 else
   crear_entorno