diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 44a234d8499..3d92b1d6745 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -1733,7 +1733,7 @@ class Form
             $sql.= " WHERE fk_product='".$objp->rowid."'";
             $sql.= " AND entity IN (".getEntity('productprice', 1).")";
             $sql.= " AND price_level=".$price_level;
-            $sql.= " ORDER BY date_price";
+            $sql.= " ORDER BY date_price, rowid";
             $sql.= " DESC LIMIT 1";
 
             dol_syslog(get_class($this).'::constructProductListOption search price for level '.$price_level.'', LOG_DEBUG);
diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index 6c8f8613b55..4b931d15222 100644
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -1515,7 +1515,7 @@ class Product extends CommonObject
 						$sql.= " WHERE entity IN (".getEntity('productprice', 1).")";
 						$sql.= " AND price_level=".$i;
 						$sql.= " AND fk_product = '".$this->id."'";
-						$sql.= " ORDER BY date_price DESC";
+						$sql.= " ORDER BY date_price, rowid DESC";
 						$sql.= " LIMIT 1";
 						$resql = $this->db->query($sql);
 						if ($resql)
@@ -1576,7 +1576,7 @@ class Product extends CommonObject
 					$sql.= " price_base_type, tva_tx, tosell, price_by_qty, rowid";
 					$sql.= " FROM ".MAIN_DB_PREFIX."product_price";
 					$sql.= " WHERE fk_product = '".$this->id."'";
-					$sql.= " ORDER BY date_price DESC";
+					$sql.= " ORDER BY date_price, rowid DESC";
 					$sql.= " LIMIT 1";
 					$resql = $this->db->query($sql);
 					if ($resql)
diff --git a/htdocs/product/price.php b/htdocs/product/price.php
index 6992b1b5a99..f84008df7f7 100644
--- a/htdocs/product/price.php
+++ b/htdocs/product/price.php
@@ -749,7 +749,7 @@ $sql .= " WHERE fk_product = " . $object->id;
 $sql .= " AND p.entity IN (" . getEntity('productprice', 1) . ")";
 $sql .= " AND p.fk_user_author = u.rowid";
 if (! empty($socid) && ! empty($conf->global->PRODUIT_MULTIPRICES)) $sql .= " AND p.price_level = " . $soc->price_level;
-$sql .= " ORDER BY p.date_price DESC, p.price_level ASC, p.rowid DESC";
+$sql .= " ORDER BY p.date_price, p.rowid DESC, p.price_level ASC";
 // $sql .= $db->plimit();
 
 $result = $db->query($sql);