diff --git a/haini.sh b/haini.sh
index 2d96cb8..b26821c 100755
--- a/haini.sh
+++ b/haini.sh
@@ -15,7 +15,7 @@ if test "$ROOT" != "$(dirname "$PWD")" && test "$ROOT" != "$PWD"; then
 fi
 
 # Necesitamos bubblewrap
-if ! type bwrap >/dev/null 2>&1 ; then
+if ! test "$HAIN_ENV" && ! type bwrap >/dev/null 2>&1 ; then
   echo "Por favor, instala el paquete bubblewrap"
   exit 1
 fi
@@ -183,11 +183,15 @@ case $1 in
   init) echo "export PATH=$DIR:\$PATH" ; exit ;;
   serve) shift; DEFAULT=nginx ;;
   *)
-    if ! type "$SELF" >/dev/null 2>&1 ; then
+    if ! test "$HAIN_ENV" && ! type "$SELF" >/dev/null 2>&1 ; then
       echo "Tip: Inicia haini.sh con 'eval \$($0 init)' para poder ejecutar con solo 'haini.sh'" >&2
     fi
   ;;
 esac
 
-crear_entorno
-stdin=/dev/stdin correr "${*:-$DEFAULT}"
+if test $HAIN_ENV; then
+  ${*:-$DEFAULT}
+else
+  crear_entorno
+  stdin=/dev/stdin correr "${*:-$DEFAULT}"
+fi