diff --git a/htdocs/core/class/extrafields.class.php b/htdocs/core/class/extrafields.class.php
index cf439f210be..0938da39dcd 100644
--- a/htdocs/core/class/extrafields.class.php
+++ b/htdocs/core/class/extrafields.class.php
@@ -2150,7 +2150,7 @@ class ExtraFields
 
 				if (in_array($key_type, array('date', 'datetime')))
 				{
-					if (! GETPOSTISSET($keysuffix."options_".$key.$keyprefix)."year") continue;	// Value was not provided, we should not set it.
+					if (! GETPOSTISSET($keysuffix."options_".$key.$keyprefix."year")) continue;	// Value was not provided, we should not set it.
 					// Clean parameters
 					$value_key = dol_mktime(GETPOST($keysuffix."options_".$key.$keyprefix."hour", 'int'), GETPOST($keysuffix."options_".$key.$keyprefix."min", 'int'), 0, GETPOST($keysuffix."options_".$key.$keyprefix."month", 'int'), GETPOST($keysuffix."options_".$key.$keyprefix."day", 'int'), GETPOST($keysuffix."options_".$key.$keyprefix."year", 'int'));
 				}
diff --git a/htdocs/product/class/api_products.class.php b/htdocs/product/class/api_products.class.php
index 1e189026366..0cf6b344abf 100644
--- a/htdocs/product/class/api_products.class.php
+++ b/htdocs/product/class/api_products.class.php
@@ -796,11 +796,11 @@ class Products extends DolibarrApi
         }
 
         if ($result) {
-            $this->productsupplier->fetch($id, $ref);
-            $this->productsupplier->list_product_fournisseur_price($id, '', '', 0, 0);
+            $product_fourn = new ProductFournisseur($this->db);
+            $product_fourn_list = $product_fourn->list_product_fournisseur_price($this->product->id, '', '', 0, 0);
         }
 
-        return $this->_cleanObjectDatas($this->productsupplier);
+        return $this->_cleanObjectDatas($product_fourn_list);
     }
 
     /**
diff --git a/htdocs/product/stock/replenish.php b/htdocs/product/stock/replenish.php
index 2ad465bdedb..ae5c936ef1e 100644
--- a/htdocs/product/stock/replenish.php
+++ b/htdocs/product/stock/replenish.php
@@ -702,7 +702,10 @@ while ($i < ($limit ? min($num, $limit) : $num))
 
 		//depending on conf, use either physical stock or
 		//virtual stock to compute the stock to buy value
-		$stocktobuy = max(max($desiredstock, $alertstock) - $stock - $ordered, 0);
+
+		if(empty($usevirtualstock)) $stocktobuy = max(max($desiredstock, $alertstock) - $stock - $ordered, 0);
+		else $stocktobuy = max(max($desiredstock, $alertstock) - $stock, 0); //ordered is already in $stock in virtual mode
+
 		$disabled = '';
 		if ($ordered > 0)
 		{