diff --git a/modoboa_installer/scripts/__init__.py b/modoboa_installer/scripts/__init__.py
index 93043b3..cb32010 100644
--- a/modoboa_installer/scripts/__init__.py
+++ b/modoboa_installer/scripts/__init__.py
@@ -24,7 +24,7 @@ def install(appname, config, upgrade):
         utils.printcolor(u"{}".format(inst), utils.RED)
         sys.exit(1)
 
-def backup(config, isBash):
+def backup(config, bashArg):
     """Backup instance"""
     try:
         script = importlib.import_module(
@@ -32,7 +32,7 @@ def backup(config, isBash):
     except ImportError:
         print("Error importing backup")
     try:
-        getattr(script, "Backup")(config, isBash).run()
+        getattr(script, "Backup")(config, bashArg).run()
     except utils.FatalError as inst:
         utils.printcolor(u"{}".format(inst), utils.RED)
         sys.exit(1)
diff --git a/modoboa_installer/scripts/backup.py b/modoboa_installer/scripts/backup.py
index 14c8dff..dc9cabb 100644
--- a/modoboa_installer/scripts/backup.py
+++ b/modoboa_installer/scripts/backup.py
@@ -5,6 +5,7 @@ import pwd
 import shutil
 import stat
 import datetime
+import sys
 
 from .. import database
 from .. import utils
@@ -27,12 +28,17 @@ class Backup():
 #||--> mails
 #      |--> vmails
 
-    def __init__(self, config, isBash):
+    def __init__(self, config, bashArg):
         self.config = config
-        self.isBash = isBash
         self.destinationPath = ""
         self.BACKUPDIRECTORY = ["mails/", "custom/", "databases/"]
 
+        self.isBash = False
+        self.bash = ""
+        if bashArg != "NOBASH":
+            self.isBash = True
+            self.bash = bashArg
+
 
     def preparePath(self):
         pw = pwd.getpwnam("root")
@@ -80,9 +86,16 @@ class Backup():
     def setPath(self):
         """Setup backup directory"""
         if self.isBash:
-            date = datetime.datetime.now().strftime("%m_%d_%Y_%H_%M")
-            path = f"/modoboa_backup/backup_{date}/"
-            self.validatePath(path)
+            if self.bash == "TRUE":
+                date = datetime.datetime.now().strftime("%m_%d_%Y_%H_%M")
+                path = f"/modoboa_backup/backup_{date}/"
+                self.validatePath(path)
+            else :
+                validate = self.validatePath(self.bash)
+                if not validate:
+                    print("provided bash is not right, exiting...")
+                    print(f"Path provided : {self.bash}")
+                    sys.exit(1)
         else:
             user_value = None
             while (user_value == '' or user_value == None or not self.validatePath(user_value)):
diff --git a/run.py b/run.py
index 7fbf7fd..fdfa2e3 100755
--- a/run.py
+++ b/run.py
@@ -81,18 +81,35 @@ def main(input_args):
         "--beta", action="store_true", default=False,
         help="Install latest beta release of Modoboa instead of the stable one")
     parser.add_argument(
-        "--bash", action="store_true", default=False,
-        help="(backup only) - For script usage, No interaction will be required")
+        "--bash", type=str, nargs=1, metavar="path",
+        help="(backup only) - For script usage, No interaction will be required, you must provide a path")
+    parser.add_argument(
+        "--sbash", action="store_true", default=False,
+        help="same as --bash but backup will be at /modoboa_backup/Backup_M_Y_d_H_M")
     parser.add_argument("domain", type=str,
                         help="The main domain of your future mail server")
     args = parser.parse_args(input_args)
 
     if args.debug:
         utils.ENV["debug"] = True
+
+    if not args.backup and (args.bash != None or args.sbash):
+        utils.printcolor("You provided --bash or --sbash without --backup, "
+                        "if you want to do a backup, please provide --backup!", utils.RED)
+        return
+    elif args.bash != None and args.sbash :
+        utils.printcolor("You provided --bash PATH and --sbash at the same time. "
+                        "Please provided only one!", utils.RED)
+        return
+    elif args.bash == "TRUE":
+        utils.printcolor("You can't pick *TRUE* as backup directory !", utils.RED)
+
     utils.printcolor("Welcome to Modoboa installer!\n", utils.GREEN)
     wasConfigFileAlreadyThere = utils.check_config_file(args.configfile, args.interactive, args.upgrade, args.backup)
+    
     if args.stop_after_configfile_check or (not wasConfigFileAlreadyThere and args.backup):
         return
+
     config = configparser.ConfigParser()
     with open(args.configfile) as fp:
         config.read_file(fp)
@@ -107,7 +124,12 @@ def main(input_args):
         upgrade_disclaimer(config)
     elif args.backup:
         backup_disclamer()
-        scripts.backup(config, args.bash)
+        bashArg = "NOBASH"
+        if args.bash != None:
+            bashArg = args.bash
+        elif args.sbash:
+            bashArg = "TRUE"
+        scripts.backup(config, bashArg)
         return
     else:
         installation_disclaimer(args, config)