diff --git a/mysql/tables/llx_bordereau_cheque.key.sql b/mysql/tables/llx_bordereau_cheque.key.sql
index 80d4eed7ea3..d3c71cc4a70 100644
--- a/mysql/tables/llx_bordereau_cheque.key.sql
+++ b/mysql/tables/llx_bordereau_cheque.key.sql
@@ -19,4 +19,4 @@
 -- ===========================================================================
 
 
-ALTER TABLE llx_bordereau_cheque ADD UNIQUE INDEX (number, entity);
+ALTER TABLE llx_bordereau_cheque ADD UNIQUE INDEX uk_bordereau_cheque (number, entity);