diff --git a/htdocs/install/mysql/tables/llx_c_price_expression.sql b/htdocs/install/mysql/tables/llx_c_price_expression.sql
index 4c1788e4276..085f60fe537 100755
--- a/htdocs/install/mysql/tables/llx_c_price_expression.sql
+++ b/htdocs/install/mysql/tables/llx_c_price_expression.sql
@@ -20,5 +20,5 @@ create table llx_c_price_expression
 (
 	rowid			integer AUTO_INCREMENT PRIMARY KEY,
 	title			varchar(20) NOT NULL,
-	expression		varchar(80) NOT NULL
+	expression		varchar(255) NOT NULL
 )ENGINE=innodb;