diff --git a/htdocs/core/ajax/box.php b/htdocs/core/ajax/box.php
index 775f1465def..d1e2e1a4990 100644
--- a/htdocs/core/ajax/box.php
+++ b/htdocs/core/ajax/box.php
@@ -53,10 +53,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/infobox.class.php';
 
 $boxid = GETPOSTINT('boxid');
 $boxorder = GETPOST('boxorder');
-$zone = GETPOST('zone');		// Can be key for zone
-if ($zone !== '') {
-	$zone = (int) $zone;
-}
+$zone = GETPOST('zone');		// Can be '0' or '1' or 'pagename'...
 $userid = GETPOSTINT('userid');
 
 // Security check
@@ -91,7 +88,7 @@ if ($boxorder && $zone != '' && $userid > 0) {
 	// boxorder value is the target order: "A:idboxA1,idboxA2,A-B:idboxB1,idboxB2,B"
 	dol_syslog("AjaxBox boxorder=".$boxorder." zone=".$zone." userid=".$userid, LOG_DEBUG);
 
-	$result = InfoBox::saveboxorder($db, (int) $zone, $boxorder, $userid);
+	$result = InfoBox::saveboxorder($db, $zone, $boxorder, $userid);
 	if ($result > 0) {
 		$langs->load("boxes");
 		if (!GETPOST('closing')) {
diff --git a/htdocs/core/class/infobox.class.php b/htdocs/core/class/infobox.class.php
index cfec6d48773..68340e873d2 100644
--- a/htdocs/core/class/infobox.class.php
+++ b/htdocs/core/class/infobox.class.php
@@ -217,11 +217,11 @@ class InfoBox
 	/**
 	 *  Save order of boxes for area and user
 	 *
-	 *  @param	DoliDB	$dbs			Database handler
-	 *  @param	int		$zone       	Key of area (0 for Homepage, ...)
-	 *  @param  string  $boxorder   	List of boxes with correct order 'A:123,456,...-B:789,321...'
-	 *  @param  int     $userid     	Id of user
-	 *  @return int                   	Return integer <0 if KO, 0=Nothing done, > 0 if OK
+	 *  @param	DoliDB		$dbs			Database handler
+	 *  @param	int|string	$zone       	Key of area ('0' for Homepage, '1', 'pagename', ...)
+	 *  @param  string  	$boxorder   	List of boxes with correct order 'A:123,456,...-B:789,321...'
+	 *  @param  int     	$userid     	Id of user
+	 *  @return int         	          	Return integer <0 if KO, 0=Nothing done, > 0 if OK
 	 */
 	public static function saveboxorder($dbs, $zone, $boxorder, $userid = 0)
 	{
@@ -252,6 +252,10 @@ class InfoBox
 			return -3;
 		}
 
+		if (!is_numeric($zone)) {
+			$zone = '0';	// Force $zone to a numeric value string
+		}
+
 		// Delete all lines
 		$sql = "DELETE FROM ".$dbs->prefix()."boxes";
 		$sql .= " WHERE entity = ".$conf->entity;