diff --git a/bash/main.sh b/bash/main.sh
index 90ea527..c89870e 100644
--- a/bash/main.sh
+++ b/bash/main.sh
@@ -1,25 +1,32 @@
 #! /usr/bin/env bash
-MAIN_FILE="$(realpath "${BASH_SOURCE[0]}")"
-MAIN_ROOT="$(dirname "${MAIN_FILE}")"
+
+MAIN_BASH_FILE="$(realpath "${BASH_SOURCE[0]}")"
+
+MAIN_BASH_ROOT="$(dirname "${MAIN_BASH_FILE}")"
 
 function link_bashrc {
     local file='/etc/bash.bashrc'
     rm --force "${file}"
-    ln --symbolic "${MAIN_FILE}" "${file}"
+    ln --symbolic "${MAIN_BASH_FILE}" "${file}"
 }
 
 # import modules
 function main_import_modules {
+local root="${1}"
+if [ -d "${root}" ] ; then
     local IFS=$'\n'
-    local modules=($(find "${MAIN_ROOT}" -type 'f' -name '*.sh'))
+    local modules=($(find "${root}" -type 'f' -name '*.sh'))
     local module
     for module in "${modules[@]}" ; do
-        if [ "${module}" != "${MAIN_FILE}" ] ; then
+        if [ "${module}" != "${MAIN_BASH_FILE}" ] ; then
             source "${module}"
         fi
     done
     log_trace "${modules[@]}"
+else
+    log_fatal "No directory: ${root}"
+fi
 }
 
 # import modules
-main_import_modules
+main_import_modules "${MAIN_BASH_ROOT}"
diff --git a/bash/ovh-rescue.sh b/bash/ovh-rescue.sh
index ecc2115..295a95f 100644
--- a/bash/ovh-rescue.sh
+++ b/bash/ovh-rescue.sh
@@ -91,7 +91,7 @@ if [ "${host}" ] ; then
     -o 'StrictHostKeyChecking=accept-new' \
     "${user_host}"
     # upload root
-    rsync --delete --recursive "${MAIN_ROOT}/" "${user_host}:/etc/bash/"
+    rsync --delete --recursive "${MAIN_BASH_ROOT}/" "${user_host}:/etc/bash/"
     # call setup
     # TODO variable
     ssh "${user_host}" -- "source '/etc/bash/main.sh' ; ovh-rescue-setup"