diff --git a/htdocs/admin/dav.php b/htdocs/admin/dav.php
index 1ab783474b8..894706576b5 100644
--- a/htdocs/admin/dav.php
+++ b/htdocs/admin/dav.php
@@ -1,5 +1,5 @@
 <?php
-/* Copyright (C) 2008-2018 	Laurent Destailleur <eldy@users.sourceforge.net>
+/* Copyright (C) 2008-2019 	Laurent Destailleur <eldy@users.sourceforge.net>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -36,7 +36,8 @@ $action = GETPOST('action', 'alpha');
 $backtopage = GETPOST('backtopage', 'alpha');
 
 $arrayofparameters=array(
-	'DAV_ALLOW_PUBLIC_DIR'=>array('css'=>'minwidth200', 'enabled'=>1),
+    'DAV_ALLOW_PRIVATE_DIR'=>array('css'=>'minwidth200', 'enabled'=>2),
+    'DAV_ALLOW_PUBLIC_DIR'=>array('css'=>'minwidth200', 'enabled'=>1),
 	'DAV_ALLOW_ECM_DIR'=>array('css'=>'minwidth200', 'enabled'=>$conf->ecm->enabled)
 );
 
@@ -84,7 +85,11 @@ if ($action == 'edit')
 		print '<tr class="oddeven"><td>';
 		print $form->textwithpicto($langs->trans($key), $langs->trans($key.'Tooltip'));
 		print '</td><td>';
-		if ($key == 'DAV_ALLOW_PUBLIC_DIR' || $key == 'DAV_ALLOW_ECM_DIR')
+		if ($key == 'DAV_ALLOW_PRIVATE_DIR')
+		{
+		    print $langs->trans("AlwaysActive");
+		}
+		elseif ($key == 'DAV_ALLOW_PUBLIC_DIR' || $key == 'DAV_ALLOW_ECM_DIR')
 		{
 			print $form->selectyesno($key, $conf->global->$key, 1);
 		}
@@ -114,7 +119,11 @@ else
 		print '<tr class="oddeven"><td>';
 		print $form->textwithpicto($langs->trans($key), $langs->trans($key.'Tooltip'));
 		print '</td><td>';
-		if ($key == 'DAV_ALLOW_PUBLIC_DIR' || $key == 'DAV_ALLOW_ECM_DIR')
+		if ($key == 'DAV_ALLOW_PRIVATE_DIR')
+		{
+		    print $langs->trans("AlwaysActive");
+		}
+		elseif ($key == 'DAV_ALLOW_PUBLIC_DIR' || $key == 'DAV_ALLOW_ECM_DIR')
 		{
 			print yn($conf->global->$key);
 		}
diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index 92431aad538..709e2267405 100644
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -481,9 +481,11 @@ FilesAttachedToEmail=Attach file
 SendEmailsReminders=Send agenda reminders by emails
 davDescription=Setup a WebDAV server
 DAVSetup=Setup of module DAV
-DAV_ALLOW_PUBLIC_DIR=Enable the public directory (WebDAV directory - no login required)
-DAV_ALLOW_PUBLIC_DIRTooltip=The WebDAV public directory is a WebDAV directory anybody can access (in read and write mode), with no authorization required (login/password account).
-DAV_ALLOW_ECM_DIR=Enable the private directory (root directory of the DMS/ECM module - login required)
+DAV_ALLOW_PRIVATE_DIR=Enable the generic private directory (WebDAV dedicated directory named "private" - login required)
+DAV_ALLOW_PRIVATE_DIRTooltip=The generic private directory is a WebDAV directory anybody can access with its application login/pass.
+DAV_ALLOW_PUBLIC_DIR=Enable the generic public directory (WebDAV dedicated directory named "public" - no login required)
+DAV_ALLOW_PUBLIC_DIRTooltip=The generic public directory is a WebDAV directory anybody can access (in read and write mode), with no authorization required (login/password account).
+DAV_ALLOW_ECM_DIR=Enable the DMS/ECM private directory (root directory of the DMS/ECM module - login required)
 DAV_ALLOW_ECM_DIRTooltip=The root directory where all files are manually uploaded when using the DMS/ECM module. Similarly as access from the web interface, you will need a valid login/password with adecuate permissions to access it.
 # Modules
 Module0Name=Users & Groups
@@ -1872,4 +1874,4 @@ DEBUGBAR_LOGS_LINES_NUMBER=Number of last log lines to keep in console
 WarningValueHigherSlowsDramaticalyOutput=Warning, higher values slows dramaticaly output
 DebugBarModuleActivated=Module debugbar is activated and slows dramaticaly the interface
 EXPORTS_SHARE_MODELS=Export models are share with everybody
-ExportSetup=Setup of module Export
\ No newline at end of file
+ExportSetup=Setup of module Export