diff --git a/htdocs/install/mysql/migration/12.0.0-13.0.0.sql b/htdocs/install/mysql/migration/12.0.0-13.0.0.sql
index dd42297dc3b..b8f41e63878 100644
--- a/htdocs/install/mysql/migration/12.0.0-13.0.0.sql
+++ b/htdocs/install/mysql/migration/12.0.0-13.0.0.sql
@@ -208,4 +208,5 @@ insert into llx_c_stcommcontact (id,code,libelle) values ( 3, 'ST_DONE',  'Conta
 ALTER TABLE llx_socpeople ADD COLUMN fk_prospectcontactlevel varchar(12) AFTER priv;
 ALTER TABLE llx_socpeople ADD COLUMN fk_stcommcontact integer DEFAULT 0 NOT NULL AFTER fk_prospectcontactlevel;
 
+ALTER TABLE llx_user ADD COLUMN default_lang varchar(6);
 
diff --git a/htdocs/install/mysql/tables/llx_user.sql b/htdocs/install/mysql/tables/llx_user.sql
index e27ac19c15a..cb57c901400 100644
--- a/htdocs/install/mysql/tables/llx_user.sql
+++ b/htdocs/install/mysql/tables/llx_user.sql
@@ -55,6 +55,7 @@ create table llx_user
   personal_mobile   varchar(20),
   email             varchar(255),
   personal_email    varchar(255),
+  default_lang      varchar(6),				 -- default language for communication. see also lang parameter
 
   socialnetworks    text DEFAULT NULL,       -- json with socialnetworks
 
@@ -85,7 +86,7 @@ create table llx_user
   openid            varchar(255),
   statut            tinyint DEFAULT 1,
   photo             varchar(255),				-- filename or url of photo
-  lang              varchar(6),
+  lang              varchar(6),					-- language selected by user as interface language. see also default_lang parameter
   color				varchar(6),
   barcode			varchar(255) DEFAULT NULL,
   fk_barcode_type	integer      DEFAULT 0,
diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index ac552faff5c..5316f49a2b1 100644
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -1684,7 +1684,7 @@ AGENDA_USE_EVENT_TYPE=Use events types (managed in menu Setup -> Dictionaries ->
 AGENDA_USE_EVENT_TYPE_DEFAULT=Automatically set this default value for type of event in event create form
 AGENDA_DEFAULT_FILTER_TYPE=Automatically set this type of event in search filter of agenda view
 AGENDA_DEFAULT_FILTER_STATUS=Automatically set this status for events in search filter of agenda view
-AGENDA_DEFAULT_VIEW=Which tab do you want to open by default when selecting menu Agenda
+AGENDA_DEFAULT_VIEW=Which view do you want to open by default when selecting menu Agenda
 AGENDA_REMINDER_EMAIL=Enable event reminder <b>by emails</b> (remind option/delay can be defined on each event). Note: Module <strong>%s</strong> must be enabled and correctly setup to have reminder sent at the correct frequency.
 AGENDA_REMINDER_BROWSER=Enable event reminder <b>on user's browser</b> (when event date is reached, each user is able to refuse this from the browser confirmation question)
 AGENDA_REMINDER_BROWSER_SOUND=Enable sound notification
diff --git a/htdocs/user/param_ihm.php b/htdocs/user/param_ihm.php
index 1f0880b0fb3..2cb4f174b23 100644
--- a/htdocs/user/param_ihm.php
+++ b/htdocs/user/param_ihm.php
@@ -264,19 +264,6 @@ if ($action == 'edit')
     print '<table class="noborder centpercent tableforfield">';
     print '<tr class="liste_titre"><td>'.$langs->trans("Parameter").'</td><td>'.$langs->trans("DefaultValue").'</td><td>&nbsp;</td><td>'.$langs->trans("PersonalValue").'</td></tr>';
 
-    // Landing page
-    print '<tr class="oddeven"><td>'.$langs->trans("LandingPage").'</td>';
-    print '<td>';
-    print (empty($conf->global->MAIN_LANDING_PAGE) ? '' : $conf->global->MAIN_LANDING_PAGE);
-    print '</td>';
-    print '<td class="nowrap" width="20%"><input class="oddeven" name="check_MAIN_LANDING_PAGE" id="check_MAIN_LANDING_PAGE" type="checkbox" '.(!empty($object->conf->MAIN_LANDING_PAGE) ? " checked" : "");
-    print empty($dolibarr_main_demo) ? '' : ' disabled="disabled"'; // Disabled for demo
-    print '> '.$langs->trans("UsePersonalValue").'</td>';
-    print '<td>';
-    print $form->selectarray('MAIN_LANDING_PAGE', $tmparray, (!empty($object->conf->MAIN_LANDING_PAGE) ? $object->conf->MAIN_LANDING_PAGE : ''), 0, 0, 0, '', 1);
-    //print info_admin($langs->trans("WarningYouMayLooseAccess"), 0, 0, 0);
-    print '</td></tr>';
-
     // Language by default
     print '<tr class="oddeven"><td>'.$langs->trans("Language").'</td>';
     print '<td>';
@@ -286,31 +273,44 @@ if ($action == 'edit')
     print '</td>';
     print '<td class="nowrap" width="20%"><input class="oddeven" name="check_MAIN_LANG_DEFAULT" id="check_MAIN_LANG_DEFAULT" type="checkbox" '.(!empty($object->conf->MAIN_LANG_DEFAULT) ? " checked" : "");
     print empty($dolibarr_main_demo) ? '' : ' disabled="disabled"'; // Disabled for demo
-    print '> '.$langs->trans("UsePersonalValue").'</td>';
+    print '> <label for="check_MAIN_LANG_DEFAULT">'.$langs->trans("UsePersonalValue").'</label></td>';
     print '<td>';
     print $formadmin->select_language((!empty($object->conf->MAIN_LANG_DEFAULT) ? $object->conf->MAIN_LANG_DEFAULT : ''), 'main_lang_default', 1, null, 0, 0, (!empty($dolibarr_main_demo)));
     print '</td></tr>';
 
+    // Landing page
+    print '<tr class="oddeven"><td>'.$langs->trans("LandingPage").'</td>';
+    print '<td>';
+    print (empty($conf->global->MAIN_LANDING_PAGE) ? '' : $conf->global->MAIN_LANDING_PAGE);
+    print '</td>';
+    print '<td class="nowrap" width="20%"><input class="oddeven" name="check_MAIN_LANDING_PAGE" id="check_MAIN_LANDING_PAGE" type="checkbox" '.(!empty($object->conf->MAIN_LANDING_PAGE) ? " checked" : "");
+    print empty($dolibarr_main_demo) ? '' : ' disabled="disabled"'; // Disabled for demo
+    print '> <label for="check_MAIN_LANDING_PAGE">'.$langs->trans("UsePersonalValue").'</label></td>';
+    print '<td>';
+    print $form->selectarray('MAIN_LANDING_PAGE', $tmparray, (!empty($object->conf->MAIN_LANDING_PAGE) ? $object->conf->MAIN_LANDING_PAGE : ''), 0, 0, 0, '', 1);
+    //print info_admin($langs->trans("WarningYouMayLooseAccess"), 0, 0, 0);
+    print '</td></tr>';
+
+    // Landing page for Agenda - AGENDA_DEFAULT_VIEW
+    print '<tr class="oddeven">'."\n";
+    print '<td>'.$langs->trans("AGENDA_DEFAULT_VIEW").'</td>'."\n";
+    print '<td class="center">&nbsp;</td>'."\n";
+    print '<td class="nowrap" width="20%"><input class="oddeven" name="check_AGENDA_DEFAULT_VIEW" id="check_AGENDA_DEFAULT_VIEW" type="checkbox" '.(!empty($object->conf->AGENDA_DEFAULT_VIEW) ? " checked" : "");
+    print empty($dolibarr_main_demo) ? '' : ' disabled="disabled"'; // Disabled for demo
+    print '> <label for="check_AGENDA_DEFAULT_VIEW">'.$langs->trans("UsePersonalValue").'</label></td>';
+    print '<td>'."\n";
+    $tmplist = array(''=>'&nbsp;', 'show_list'=>$langs->trans("ViewList"), 'show_month'=>$langs->trans("ViewCal"), 'show_week'=>$langs->trans("ViewWeek"), 'show_day'=>$langs->trans("ViewDay"), 'show_peruser'=>$langs->trans("ViewPerUser"));
+    print $form->selectarray('AGENDA_DEFAULT_VIEW', $tmplist, $object->conf->AGENDA_DEFAULT_VIEW, 0, 0, 0, '');
+    print '</td></tr>'."\n";
+
     // Max size of lists
     print '<tr class="oddeven"><td>'.$langs->trans("MaxSizeList").'</td>';
     print '<td>'.$conf->global->MAIN_SIZE_LISTE_LIMIT.'</td>';
     print '<td class="nowrap" width="20%"><input class="oddeven" name="check_SIZE_LISTE_LIMIT" id="check_SIZE_LISTE_LIMIT" type="checkbox" '.(!empty($object->conf->MAIN_SIZE_LISTE_LIMIT) ? " checked" : "");
     print empty($dolibarr_main_demo) ? '' : ' disabled="disabled"'; // Disabled for demo
-    print '> '.$langs->trans("UsePersonalValue").'</td>';
+    print '> <label for="check_SIZE_LISTE_LIMIT">'.$langs->trans("UsePersonalValue").'</label></td>';
     print '<td><input class="flat" name="main_size_liste_limit" id="main_size_liste_limit" size="4" value="'.(!empty($object->conf->MAIN_SIZE_LISTE_LIMIT) ? $object->conf->MAIN_SIZE_LISTE_LIMIT : '').'"></td></tr>';
 
-    // AGENDA_DEFAULT_VIEW
-    print '<tr class="oddeven">'."\n";
-    print '<td>'.$langs->trans("AGENDA_DEFAULT_VIEW").'</td>'."\n";
-    print '<td class="center">&nbsp;</td>'."\n";
-    print '<td class="nowrap" width="20%"><input class="oddeven" name="check_AGENDA_DEFAULT_VIEW" id="check_AGENDA_DEFAULT_VIEW" type="checkbox" '.(!empty($object->conf->AGENDA_DEFAULT_VIEW) ? " checked" : "");
-    print empty($dolibarr_main_demo) ? '' : ' disabled="disabled"'; // Disabled for demo
-    print '> '.$langs->trans("UsePersonalValue").'</td>';
-    print '<td>'."\n";
-    $tmplist = array(''=>'&nbsp;', 'show_list'=>$langs->trans("ViewList"), 'show_month'=>$langs->trans("ViewCal"), 'show_week'=>$langs->trans("ViewWeek"), 'show_day'=>$langs->trans("ViewDay"), 'show_peruser'=>$langs->trans("ViewPerUser"));
-    print $form->selectarray('AGENDA_DEFAULT_VIEW', $tmplist, $object->conf->AGENDA_DEFAULT_VIEW, 0, 0, 0, '');
-    print '</td></tr>'."\n";
-
     print '</table><br>';
 
     // Theme
@@ -334,6 +334,20 @@ if ($action == 'edit')
     print '<table class="noborder centpercent tableforfield">';
     print '<tr class="liste_titre"><td>'.$langs->trans("Parameter").'</td><td>'.$langs->trans("DefaultValue").'</td><td>&nbsp;</td><td>'.$langs->trans("PersonalValue").'</td></tr>';
 
+    // Language
+    print '<tr class="oddeven"><td>'.$langs->trans("Language").'</td>';
+    print '<td>';
+    $s = picto_from_langcode($conf->global->MAIN_LANG_DEFAULT);
+    print ($s ? $s.' ' : '');
+    print (isset($conf->global->MAIN_LANG_DEFAULT) && $conf->global->MAIN_LANG_DEFAULT == 'auto' ? $langs->trans("AutoDetectLang") : $langs->trans("Language_".$conf->global->MAIN_LANG_DEFAULT));
+    print '</td>';
+    print '<td class="nowrap"><input class="oddeven" type="checkbox" disabled '.(!empty($object->conf->MAIN_LANG_DEFAULT) ? " checked" : "").'> '.$langs->trans("UsePersonalValue").'</td>';
+    print '<td>';
+    $s = (isset($object->conf->MAIN_LANG_DEFAULT) ? picto_from_langcode($object->conf->MAIN_LANG_DEFAULT) : '');
+    print ($s ? $s.' ' : '');
+    print (isset($object->conf->MAIN_LANG_DEFAULT) && $object->conf->MAIN_LANG_DEFAULT == 'auto' ? $langs->trans("AutoDetectLang") : (!empty($object->conf->MAIN_LANG_DEFAULT) ? $langs->trans("Language_".$object->conf->MAIN_LANG_DEFAULT) : ''));
+    print '</td></tr>';
+
     // Landing page
     print '<tr class="oddeven"><td>'.$langs->trans("LandingPage").'</td>';
     print '<td>';
@@ -350,27 +364,7 @@ if ($action == 'edit')
     //print $form->selectarray('MAIN_LANDING_PAGE', $tmparray, (! empty($object->conf->MAIN_LANDING_PAGE)?$object->conf->MAIN_LANDING_PAGE:''), 0, 0, 0, '', 1);
     print '</td></tr>';
 
-    // Language
-    print '<tr class="oddeven"><td>'.$langs->trans("Language").'</td>';
-    print '<td>';
-    $s = picto_from_langcode($conf->global->MAIN_LANG_DEFAULT);
-    print ($s ? $s.' ' : '');
-    print (isset($conf->global->MAIN_LANG_DEFAULT) && $conf->global->MAIN_LANG_DEFAULT == 'auto' ? $langs->trans("AutoDetectLang") : $langs->trans("Language_".$conf->global->MAIN_LANG_DEFAULT));
-    print '</td>';
-    print '<td class="nowrap"><input class="oddeven" type="checkbox" disabled '.(!empty($object->conf->MAIN_LANG_DEFAULT) ? " checked" : "").'> '.$langs->trans("UsePersonalValue").'</td>';
-    print '<td>';
-    $s = (isset($object->conf->MAIN_LANG_DEFAULT) ? picto_from_langcode($object->conf->MAIN_LANG_DEFAULT) : '');
-    print ($s ? $s.' ' : '');
-    print (isset($object->conf->MAIN_LANG_DEFAULT) && $object->conf->MAIN_LANG_DEFAULT == 'auto' ? $langs->trans("AutoDetectLang") : (!empty($object->conf->MAIN_LANG_DEFAULT) ? $langs->trans("Language_".$object->conf->MAIN_LANG_DEFAULT) : ''));
-    print '</td></tr>';
-
-	// Max size for lists
-    print '<tr class="oddeven"><td>'.$langs->trans("MaxSizeList").'</td>';
-    print '<td>'.(!empty($conf->global->MAIN_SIZE_LISTE_LIMIT) ? $conf->global->MAIN_SIZE_LISTE_LIMIT : '&nbsp;').'</td>';
-    print '<td class="nowrap" width="20%"><input class="oddeven" type="checkbox" disabled '.(!empty($object->conf->MAIN_SIZE_LISTE_LIMIT) ? " checked" : "").'> '.$langs->trans("UsePersonalValue").'</td>';
-    print '<td>'.(!empty($object->conf->MAIN_SIZE_LISTE_LIMIT) ? $object->conf->MAIN_SIZE_LISTE_LIMIT : '&nbsp;').'</td></tr>';
-
-    // AGENDA_DEFAULT_VIEW
+    // Landing page for Agenda - AGENDA_DEFAULT_VIEW
     print '<tr class="oddeven">'."\n";
     print '<td>'.$langs->trans("AGENDA_DEFAULT_VIEW").'</td>'."\n";
     print '<td class="center">&nbsp;</td>'."\n";
@@ -380,6 +374,12 @@ if ($action == 'edit')
     if (!empty($object->conf->AGENDA_DEFAULT_VIEW)) print $form->selectarray('AGENDA_DEFAULT_VIEW', $tmplist, $object->conf->AGENDA_DEFAULT_VIEW, 0, 0, 0, '', 0, 0, 1);
     print '</td></tr>'."\n";
 
+    // Max size for lists
+    print '<tr class="oddeven"><td>'.$langs->trans("MaxSizeList").'</td>';
+    print '<td>'.(!empty($conf->global->MAIN_SIZE_LISTE_LIMIT) ? $conf->global->MAIN_SIZE_LISTE_LIMIT : '&nbsp;').'</td>';
+    print '<td class="nowrap" width="20%"><input class="oddeven" type="checkbox" disabled '.(!empty($object->conf->MAIN_SIZE_LISTE_LIMIT) ? " checked" : "").'> '.$langs->trans("UsePersonalValue").'</td>';
+    print '<td>'.(!empty($object->conf->MAIN_SIZE_LISTE_LIMIT) ? $object->conf->MAIN_SIZE_LISTE_LIMIT : '&nbsp;').'</td></tr>';
+
     print '</table><br>';