diff --git a/htdocs/install/mysql/tables/llx_product.key.sql b/htdocs/install/mysql/tables/llx_product.key.sql
index 1500cfba762..a2cb0e539f9 100644
--- a/htdocs/install/mysql/tables/llx_product.key.sql
+++ b/htdocs/install/mysql/tables/llx_product.key.sql
@@ -25,3 +25,6 @@ ALTER TABLE llx_product ADD INDEX idx_product_label (label);
 ALTER TABLE llx_product ADD INDEX idx_product_barcode (barcode);
 ALTER TABLE llx_product ADD INDEX idx_product_import_key (import_key);
 ALTER TABLE llx_product ADD INDEX idx_product_seuil_stock_alerte (seuil_stock_alerte);
+
+ALTER TABLE llx_product ADD UNIQUE INDEX uk_product_barcode (barcode, fk_barcode_type, entity);
+
diff --git a/htdocs/install/mysql/tables/llx_societe.key.sql b/htdocs/install/mysql/tables/llx_societe.key.sql
index c22c7f5816e..eee239566e6 100644
--- a/htdocs/install/mysql/tables/llx_societe.key.sql
+++ b/htdocs/install/mysql/tables/llx_societe.key.sql
@@ -17,10 +17,14 @@
 -- ===================================================================
 
 
-ALTER TABLE llx_societe ADD UNIQUE uk_societe_prefix_comm(prefix_comm, entity);
-ALTER TABLE llx_societe ADD UNIQUE uk_societe_code_client(code_client, entity);
+ALTER TABLE llx_societe ADD UNIQUE INDEX uk_societe_prefix_comm(prefix_comm, entity);
+ALTER TABLE llx_societe ADD UNIQUE INDEX uk_societe_code_client(code_client, entity);
+ALTER TABLE llx_societe ADD UNIQUE INDEX uk_societe_code_fournisseur(code_fournisseur, entity);
+
+ALTER TABLE llx_societe ADD UNIQUE INDEX uk_societe_barcode (barcode, fk_barcode_type, entity);
 
 ALTER TABLE llx_societe ADD INDEX idx_societe_user_creat(fk_user_creat);
 ALTER TABLE llx_societe ADD INDEX idx_societe_user_modif(fk_user_modif);
 
+
 -- ALTER TABLE llx_societe ADD FOREIGN KEY fk_prospectlevel llx_c_prospectlevel(code);