diff --git a/README.md b/README.md
index 1f066d4..9ba7a95 100644
--- a/README.md
+++ b/README.md
@@ -63,10 +63,11 @@ Advanced usage
 ### Build image ###
 You can build a new JuJu image from scratch by running the following command:
 
-    juju -b
+    juju -b [-n]
 
-In this way the script will create a directory containing all the essentials
+The script will create a directory containing all the essentials
 files in order to make JuJu working properly (such as pacman, yaourt, arch-chroot and proot).
+The option `-n` will skip the final validation tests if they are not needed.
 Remember that the script to build the image must run in an Arch Linux OS with
 arch-install-scripts, package-query, git and the base-devel packages installed.
 To change the build directory just use the *JUJU_TEMPDIR* (by default /tmp).
@@ -183,7 +184,7 @@ since JuJu will try to preserve the JuJu environment by assigning ownership
 of the files to the real user.
 
 ###No servers configured for repository###
--**Q**: Why I cannot install packages?
+- **Q**: Why I cannot install packages?
 ```
     pacman -S lsof
     Packages (1): lsof-4.88-2
@@ -197,7 +198,7 @@ of the files to the real user.
     Errors occurred, no packages were upgraded.
 ```
 
--**A**: You need simply to update the mirrorlist file according to your location:
+- **A**: You need simply to update the mirrorlist file according to your location:
 ```
     # Uncomment the repository line according to your location
     nano /etc/pacman.d/mirrorlist
diff --git a/bin/juju b/bin/juju
index 41a37fa..8ff792b 100755
--- a/bin/juju
+++ b/bin/juju
@@ -42,6 +42,7 @@ usage() {
     echo -e "-r, --root                     Run $NAME with root privileges"
     echo -e "-p, --proot-args               Proot arguments"
     echo -e "-b, --build-image              Build a $NAME image (must run in ArchLinux)"
+    echo -e "-n, --disable-validation       Disable the $NAME image validation"
     echo -e "-d, --delete                   Delete $NAME from ${JUJU_HOME}"
     echo -e "-h, --help                     Show this help message"
     echo -e "-v, --version                  Show the $NAME version"
@@ -62,10 +63,18 @@ check_cli(){
             die "The build image option must be used exclusively"
         fi
     fi
+    if $OPT_DISABLE_VALIDATION
+    then
+        if $OPT_DELETE || $OPT_HELP || $OPT_VERSION || $OPT_SETUP_FROM_FILE || \
+            $OPT_FAKEROOT || $OPT_ROOT
+        then
+            die "The disable validation option must be used with the build image option only"
+        fi
+    fi
     if $OPT_DELETE
     then
         if $OPT_BUILD_IMAGE || $OPT_HELP || $OPT_VERSION || $OPT_SETUP_FROM_FILE || \
-            $OPT_FAKEROOT || $OPT_ROOT
+            $OPT_FAKEROOT || $OPT_ROOT || $OPT_DISABLE_VALIDATION
         then
             die "The $NAME delete option must be used exclusively"
         fi
@@ -73,7 +82,7 @@ check_cli(){
     if $OPT_HELP
     then
         if $OPT_BUILD_IMAGE || $OPT_DELETE || $OPT_VERSION || $OPT_SETUP_FROM_FILE || \
-            $OPT_FAKEROOT || $OPT_ROOT
+            $OPT_FAKEROOT || $OPT_ROOT || $OPT_DISABLE_VALIDATION
         then
             die "The $NAME help option must be used exclusively"
         fi
@@ -81,7 +90,7 @@ check_cli(){
     if $OPT_VERSION
     then
         if $OPT_BUILD_IMAGE || $OPT_DELETE || $OPT_HELP || $OPT_SETUP_FROM_FILE || \
-            $OPT_FAKEROOT || $OPT_ROOT
+            $OPT_FAKEROOT || $OPT_ROOT || $OPT_DISABLE_VALIDATION
         then
             die "The $NAME version option must be used exclusively"
         fi
@@ -93,7 +102,7 @@ check_cli(){
     if $OPT_PROOT_ARGS
     then
         if $OPT_BUILD_IMAGE || $OPT_DELETE || $OPT_HELP || $OPT_SETUP_FROM_FILE || \
-            $OPT_ROOT || $OPT_VERSION
+            $OPT_ROOT || $OPT_VERSION || $OPT_DISABLE_VALIDATION
         then
             die "Invalid syntax: Proot args are not allowed with the other options"
         fi
@@ -101,7 +110,7 @@ check_cli(){
     if [ "$ARGS" != "" ]
     then
         if $OPT_BUILD_IMAGE || $OPT_DELETE || $OPT_HELP || $OPT_SETUP_FROM_FILE || \
-            $OPT_VERSION
+            $OPT_VERSION || $OPT_DISABLE_VALIDATION
         then
             die "No arguments are needed. For the CLI syntax run: $CMD --help"
         fi
@@ -119,6 +128,7 @@ function parse_arguments(){
 	OPT_PROOT_ARGS=false
 	PROOT_ARGS=""
 	OPT_BUILD_IMAGE=false
+	OPT_DISABLE_VALIDATION=false
 	OPT_DELETE=false
 	OPT_HELP=false
 	OPT_VERSION=false
@@ -130,6 +140,7 @@ function parse_arguments(){
 			-r|--root) OPT_ROOT=true ; shift ;;
 			-p|--proot-args) OPT_PROOT_ARGS=true ; shift ; PROOT_ARGS=$1; shift ;;
 			-b|--build-image) OPT_BUILD_IMAGE=true ; shift ;;
+			-n|--disable-validation) OPT_DISABLE_VALIDATION=true ; shift ;;
 			-d|--delete) OPT_DELETE=true ; shift ;;
 			-h|--help) OPT_HELP=true ; shift ;;
 			-v|--version) OPT_VERSION=true ; shift ;;
@@ -151,7 +162,7 @@ function execute_operation(){
 	$OPT_VERSION && version && return
 
 	if $OPT_BUILD_IMAGE; then
-		build_image_juju
+		build_image_juju $OPT_DISABLE_VALIDATION
 		return
 	elif $OPT_DELETE; then
 		delete_juju
diff --git a/lib/core.sh b/lib/core.sh
index 8d070af..8580c1e 100644
--- a/lib/core.sh
+++ b/lib/core.sh
@@ -254,6 +254,9 @@ function build_image_juju(){
     _check_package gcc
     _check_package package-query
     _check_package git
+
+    local disable_validation=$1
+
     local maindir=$(TMPDIR=$JUJU_TEMPDIR mktemp -d -t juju.XXXXXXXXXX)
     sudo mkdir -p ${maindir}/root
     trap - QUIT EXIT ABRT KILL TERM INT
@@ -312,6 +315,18 @@ function build_image_juju(){
     info "Compressing image to ${imagefile}..."
     sudo $TAR -zcpf ${imagefile} -C ${maindir}/root .
 
+    $disable_validation || validate_image "${maindir}" "${imagefile}"
+
+    sudo cp ${maindir}/output/${imagefile} ${ORIGIN_WD}
+
+    builtin cd ${ORIGIN_WD}
+    trap - QUIT EXIT ABRT KILL TERM INT
+    sudo rm -fr "$maindir"
+}
+
+function validate_image(){
+    local maindir=$1
+    local imagefile=$2
     info "Validating JuJu image..."
     mkdir -p ${maindir}/root_test
     $TAR -zxpf ${imagefile} -C ${maindir}/root_test
@@ -340,10 +355,4 @@ function build_image_juju(){
     info "Installing ${repo_package} package from official repo using root..."
     ${maindir}/root/opt/proot/proot-$ARCH -S ${maindir}/root_test pacman --noconfirm -S ${repo_package}
     sudo ${maindir}/root/usr/bin/arch-chroot ${maindir}/root_test iftop -t -s 5
-
-    sudo cp ${maindir}/output/${imagefile} ${ORIGIN_WD}
-
-    builtin cd ${ORIGIN_WD}
-    trap - QUIT EXIT ABRT KILL TERM INT
-    sudo rm -fr "$maindir"
 }
diff --git a/tests/test_juju.sh b/tests/test_juju.sh
index 0c2e748..6665432 100755
--- a/tests/test_juju.sh
+++ b/tests/test_juju.sh
@@ -117,6 +117,8 @@ function test_check_cli(){
     export -f die
     bash -ic "wrap_juju -b -h" &> /dev/null
     is_equal $? 1 || return 1
+    bash -ic "wrap_juju -n -v" &> /dev/null
+    is_equal $? 1 || return 1
     bash -ic "wrap_juju -d -r" &> /dev/null
     is_equal $? 1 || return 1
     bash -ic "wrap_juju -h -f" &> /dev/null