diff --git a/htdocs/install/repair.php b/htdocs/install/repair.php
index d4679c9ac0c..e354b2a30da 100644
--- a/htdocs/install/repair.php
+++ b/htdocs/install/repair.php
@@ -76,6 +76,7 @@ print '<h3>'.$langs->trans("Repair").'</h3>';
 print 'Option restore_thirdparties_logos is '.(GETPOST('restore_thirdparties_logos')?GETPOST('restore_thirdparties_logos'):'0').'<br>'."\n";
 print 'Option clean_linked_elements is '.(GETPOST('clean_linked_elements')?GETPOST('clean_linked_elements'):'0').'<br>'."\n";
 print 'Option clean_orphelin_dir (1 or confirmed) is '.(GETPOST('clean_orphelin_dir')?GETPOST('clean_orphelin_dir'):'0').'<br>'."\n";
+print 'Option clean_product_stock_batch (1 or confirmed) is '.(GETPOST('clean_product_stock_batch')?GETPOST('clean_product_stock_batch'):'0').'<br>'."\n";
 print '<br>';
 
 print '<table cellspacing="0" cellpadding="1" border="0" width="100%">';
@@ -519,6 +520,107 @@ if ($ok && GETPOST('clean_orphelin_dir'))
     }
 }
 
+// clean_linked_elements: Check and clean linked elements
+if ($ok && GETPOST('clean_product_stock_batch'))
+{
+    print '<tr><td colspan="2"><br>Clean table product_batch</td></tr>';
+    
+    $sql ="SELECT p.rowid, p.ref, p.tobatch, ps.rowid as psrowid, ps.fk_entrepot, ps.reel, SUM(pb.qty) as reelbatch";
+    $sql.=" FROM ".MAIN_DB_PREFIX."product as p, ".MAIN_DB_PREFIX."product_stock as ps, ".MAIN_DB_PREFIX."product_batch as pb";
+    $sql.=" WHERE p.rowid = ps.fk_product AND ps.rowid = pb.fk_product_stock";
+    $sql.=" AND p.tobatch = 1";
+    $sql.=" GROUP BY p.rowid, p.ref, p.tobatch, ps.rowid, ps.fk_entrepot, ps.reel";
+    $sql.=" HAVING reel != SUM(pb.qty)";
+    $resql = $db->query($sql);
+    if ($resql)
+    {
+        $num = $db->num_rows($resql);
+        
+        if ($num)
+        {
+            $i = 0;
+            while ($i < $num)
+            {
+                $obj=$db->fetch_object($resql);
+                print '<tr><td>'.$obj->rowid.'-'.$obj->ref.'-'.$obj->fk_entrepot.' -> '.$obj->psrowid.': '.$obj->reel.' != '.$obj->reelbatch;
+                
+                // Fix
+                if ($obj->reel > $obj->reelbatch)
+                {
+                    $methodtofix='updatestock';
+                    
+                    if ($methodtofix == 'updatebatch')
+                    {
+                        // Method 1
+                        print ' -> Insert qty '.($obj->reel - $obj->reelbatch).' with lot 000000 linked to fk_product_stock='.$obj->psrowid;
+                        if (GETPOST('clean_product_stock_batch') == 'confirmed')
+                        {
+                            $sql2 ="INSERT INTO ".MAIN_DB_PREFIX."product_batch(fk_product_stock, batch, qty)";
+                            $sql2.="VALUES(".$obj->psrowid.", '000000', ".($obj->reel - $obj->reelbatch).")";
+                            $resql2=$db->query($sql2);
+                            if (! $resql2)
+                            {
+                                // TODO If it fails, we must make update
+                                //$sql2 ="UPDATE ".MAIN_DB_PREFIX."product_batch";
+                                //$sql2.=" SET ".$obj->psrowid.", '000000', ".($obj->reel - $obj->reelbatch).")";
+                                //$sql2.=" WHERE fk_product_stock = ".$obj->psrowid"
+                            }
+                        }
+                    }
+                    if ($methodtofix == 'updatestock')
+                    {
+                        // Method 2
+                        print ' -> Update qty of stock with qty = '.$obj->reelbatch.' for ps.rowid = '.$obj->psrowid;
+                        if (GETPOST('clean_product_stock_batch') == 'confirmed')
+                        {
+                            $error=0;
+                            
+                            $db->begin();
+                            
+                            $sql2 ="UPDATE ".MAIN_DB_PREFIX."product_stock";
+                            $sql2.=" SET reel = ".$obj->reelbatch." WHERE rowid = ".$obj->psrowid;
+                            $resql2=$db->query($sql2);
+                            if ($resql2)
+                            {
+                                // We update product stock, so we must update product.stock too.
+                                $sql3='UPDATE llx_product p SET p.stock= (SELECT SUM(ps.reel) FROM llx_product_stock ps WHERE ps.fk_product = p.rowid)';
+                                $resql3=$db->query($sql3);
+                                if (! $resql3) 
+                                {
+                                    $error++;
+                                    dol_print_error($db);
+                                }
+                            }
+                            else 
+                            {
+                                $error++;
+                                dol_print_error($db);
+                            }
+                            
+                            if (!$error) $db->commit();
+                            else $db->rollback();
+                        }
+                    }
+                }
+                
+                print'</td></tr>';
+            
+                $i++;
+            }
+        }
+    }
+    else
+    {
+        dol_print_error($db);
+    }
+    
+    
+}
+
+
+
+
+
 print '</table>';