diff --git a/htdocs/admin/boxes.php b/htdocs/admin/boxes.php
index 88b32e02dd9..4002f335f59 100644
--- a/htdocs/admin/boxes.php
+++ b/htdocs/admin/boxes.php
@@ -316,7 +316,7 @@ if ($resql)
 
 
 // Available boxes
-$boxtoadd=InfoBox::listboxes($db,'available',-1,$emptyuser,$actives);
+$boxtoadd=InfoBox::listBoxes($db,'available',-1,$emptyuser,$actives);
 
 print "<br>\n";
 print_titre($langs->trans("BoxesAvailable"));
@@ -366,7 +366,7 @@ print '</table>';
 
 
 // Activated boxes
-$boxactivated=InfoBox::listboxes($db,'activated',-1,$emptyuser);
+$boxactivated=InfoBox::listBoxes($db,'activated',-1,$emptyuser);
 
 print "<br>\n\n";
 print_titre($langs->trans("BoxesActivated"));
diff --git a/htdocs/core/class/html.formother.class.php b/htdocs/core/class/html.formother.class.php
index 95da2e01d10..a558d6869a8 100644
--- a/htdocs/core/class/html.formother.class.php
+++ b/htdocs/core/class/html.formother.class.php
@@ -809,7 +809,7 @@ class FormOther
         include_once DOL_DOCUMENT_ROOT.'/core/class/infobox.class.php';
 
         //$infobox=new InfoBox($db);
-        $boxactivated=InfoBox::listboxes($db,'activated',$areacode,$user);
+        $boxactivated=InfoBox::listBoxes($db,'activated',$areacode,$user);
         $arrayboxactivatedid=array();
         foreach($boxactivated as $box) $arrayboxactivatedid[$box->id]=$box->id;
 
@@ -817,7 +817,7 @@ class FormOther
         if (! empty($conf->use_javascript_ajax))
         {
             $emptyuser=new User($db);
-            $boxavailable=InfoBox::listboxes($db,'activated',$areacode,$emptyuser,$arrayboxactivatedid);    // Get list of box available for empty user (minus already activated for user)
+            $boxavailable=InfoBox::listBoxes($db,'activated',$areacode,$emptyuser,$arrayboxactivatedid);    // Get list of box available for empty user (minus already activated for user)
 
             $arrayboxtoactivatelabel=array();
             foreach($boxavailable as $box)
diff --git a/htdocs/core/class/infobox.class.php b/htdocs/core/class/infobox.class.php
index 3d0a0f2d692..7dc2af3b8d1 100644
--- a/htdocs/core/class/infobox.class.php
+++ b/htdocs/core/class/infobox.class.php
@@ -137,8 +137,8 @@ class InfoBox
         else
         {
             //dol_print_error($db);
-            $this->error=$db->error();
-            dol_syslog(get_class()."::listBoxes Error ".$this->error, LOG_ERR);
+            $error=$db->error();
+            dol_syslog(get_class()."::listBoxes Error ".$error, LOG_ERR);
             return array();
         }
 
@@ -231,7 +231,7 @@ class InfoBox
             }
             if ($error)
             {
-                $this->error=$db->error();
+                $error=$db->error();
                 $db->rollback();
                 return -2;
             }
@@ -243,9 +243,9 @@ class InfoBox
         }
         else
         {
-            $this->error=$db->lasterror();
+            $error=$db->lasterror();
             $db->rollback();
-            dol_syslog(get_class()."::saveboxorder ".$this->error);
+            dol_syslog(get_class()."::saveboxorder ".$error);
             return -1;
         }
     }