diff --git a/htdocs/fourn/class/fournisseur.product.class.php b/htdocs/fourn/class/fournisseur.product.class.php
index 5184c8ffe80..5a63cb3f1ff 100644
--- a/htdocs/fourn/class/fournisseur.product.class.php
+++ b/htdocs/fourn/class/fournisseur.product.class.php
@@ -310,7 +310,7 @@ class ProductFournisseur extends Product
                     $error++;
                 }
 
-                if (! $error && ! empty($conf->global->PRODUCT_PRICE_SUPPLIER_NO_LOG)) {
+                if (! $error && empty($conf->global->PRODUCT_PRICE_SUPPLIER_NO_LOG)) {
                     // Add record into log table
                     $sql = "INSERT INTO " . MAIN_DB_PREFIX . "product_fournisseur_price_log(";
                     $sql .= "datec, fk_product_fournisseur,fk_user,price,quantity)";
diff --git a/htdocs/install/mysql/tables/llx_product_customer_price_log.sql b/htdocs/install/mysql/tables/llx_product_customer_price_log.sql
index bd4fe54a586..3844b3e332f 100644
--- a/htdocs/install/mysql/tables/llx_product_customer_price_log.sql
+++ b/htdocs/install/mysql/tables/llx_product_customer_price_log.sql
@@ -24,7 +24,8 @@ create table llx_product_customer_price_log
   entity				integer DEFAULT 1 NOT NULL,	   -- multi company id
   datec                       datetime,
   fk_product			integer NOT NULL,
-  fk_soc				integer NOT NULL,	   
+  fk_soc				integer DEFAULT 0 NOT NULL,	
+    price_level		smallint NULL DEFAULT 1,
   price						double(24,8) DEFAULT 0,
   price_ttc					double(24,8) DEFAULT 0,
   price_min					double(24,8) DEFAULT 0,
diff --git a/htdocs/product/class/productcustomerprice.class.php b/htdocs/product/class/productcustomerprice.class.php
index 6a488c87e2b..6c44b54cbe8 100644
--- a/htdocs/product/class/productcustomerprice.class.php
+++ b/htdocs/product/class/productcustomerprice.class.php
@@ -676,15 +676,12 @@ class Productcustomerprice extends CommonObject
 
 		if (! $error) {
 			if (! $notrigger) {
-				// Uncomment this and change MYOBJECT to your own tag if you
-				// want this action calls a trigger.
-
-				// // Call triggers
-				// include_once DOL_DOCUMENT_ROOT . '/core/class/interfaces.class.php';
-				// $interface=new Interfaces($this->db);
-				// $result=$interface->run_triggers('MYOBJECT_MODIFY',$this,$user,$langs,$conf);
-				// if ($result < 0) { $error++; $this->errors=$interface->errors; }
-				// // End call triggers
+				// Call triggers
+				include_once DOL_DOCUMENT_ROOT . '/core/class/interfaces.class.php';
+				$interface=new Interfaces($this->db);
+				$result=$interface->run_triggers('PRODUCT_CUSTOMER_PRICE_UPDATE',$this,$user,$langs,$conf);
+				if ($result < 0) { $error++; $this->errors=$interface->errors; }
+				// End call triggers
 			}
 		}