diff --git a/htdocs/product/document.php b/htdocs/product/document.php
index 814f708a99e..a3ccbead70a 100644
--- a/htdocs/product/document.php
+++ b/htdocs/product/document.php
@@ -76,8 +76,8 @@ if ($id > 0 || ! empty($ref))
 
 	if (! empty($conf->global->PRODUCT_USE_OLD_PATH_FOR_PHOTO))    // For backward compatiblity, we scan also old dirs
 	{
-	    if (! empty($conf->product->enabled)) $upload_dir = $conf->product->multidir_output[$object->entity].'/'.substr(substr("000".$object->id, -2),1,1).'/'.substr(substr("000".$object->id, -2),0,1).'/'.$object->id."/photos";
-	    else $upload_dir = $conf->service->multidir_output[$object->entity].'/'.substr(substr("000".$object->id, -2),1,1).'/'.substr(substr("000".$object->id, -2),0,1).'/'.$object->id."/photos";
+	    if (! empty($conf->product->enabled)) $upload_dirold = $conf->product->multidir_output[$object->entity].'/'.substr(substr("000".$object->id, -2),1,1).'/'.substr(substr("000".$object->id, -2),0,1).'/'.$object->id."/photos";
+	    else $upload_dirold = $conf->service->multidir_output[$object->entity].'/'.substr(substr("000".$object->id, -2),1,1).'/'.substr(substr("000".$object->id, -2),0,1).'/'.$object->id."/photos";
 	}
 }
 $modulepart='produit';