diff --git a/htdocs/install/mysql/migration/3.2.0-3.3.0.sql b/htdocs/install/mysql/migration/3.2.0-3.3.0.sql
index cc98a01758c..43f397aedf1 100755
--- a/htdocs/install/mysql/migration/3.2.0-3.3.0.sql
+++ b/htdocs/install/mysql/migration/3.2.0-3.3.0.sql
@@ -838,7 +838,7 @@ CREATE TABLE llx_product_price_by_qty
   qty_min		real DEFAULT 0
 )ENGINE=innodb;
 
-ALTER TABLE llx_product_price ADD COLUMN price_by_qty INT NOT NULL DEFAULT 0;
+ALTER TABLE llx_product_price ADD COLUMN price_by_qty integer NOT NULL DEFAULT 0;
 
 ALTER TABLE llx_product_price_by_qty ADD UNIQUE INDEX uk_product_price_by_qty_level (fk_product_price, qty_min);
 ALTER TABLE llx_product_price_by_qty ADD INDEX idx_product_price_by_qty_fk_product_price (fk_product_price);
diff --git a/htdocs/install/mysql/tables/llx_product_price_by_qty.sql b/htdocs/install/mysql/tables/llx_product_price_by_qty.sql
index d2a588245dc..e86d77fe982 100644
--- a/htdocs/install/mysql/tables/llx_product_price_by_qty.sql
+++ b/htdocs/install/mysql/tables/llx_product_price_by_qty.sql
@@ -23,7 +23,7 @@ create table llx_product_price_by_qty
 (
   rowid				integer NOT NULL AUTO_INCREMENT PRIMARY KEY,
   fk_product_price	integer NOT NULL,
-  date_price		timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  date_price		timestamp NOT NULL,
   price				double(24,8) DEFAULT 0,
   quantity			double DEFAULT NULL,
   remise_percent	double NOT NULL DEFAULT 0,