diff --git a/htdocs/install/mysql/migration/2.8.0-2.9.0.sql b/htdocs/install/mysql/migration/2.8.0-2.9.0.sql
index 75cf5ee64d0..ea16586009d 100755
--- a/htdocs/install/mysql/migration/2.8.0-2.9.0.sql
+++ b/htdocs/install/mysql/migration/2.8.0-2.9.0.sql
@@ -314,3 +314,8 @@ INSERT INTO llx_c_forme_juridique (fk_pays, code, libelle, active) VALUES (23, '
 
 delete from llx_const where name='USER_PASSWORD_GENERATED' and value='default';
 
+
+ALTER TABLE llx_boxes_def DROP INDEX uk_boxes_def;
+ALTER TABLE llx_boxes_def MODIFY note varchar(255);
+ALTER TABLE llx_boxes_def ADD UNIQUE INDEX uk_boxes_def (file, entity, note);
+
diff --git a/htdocs/install/mysql/migration/2.9.0-3.0.0.sql b/htdocs/install/mysql/migration/2.9.0-3.0.0.sql
index 33e99bd8c2e..835633d49e6 100644
--- a/htdocs/install/mysql/migration/2.9.0-3.0.0.sql
+++ b/htdocs/install/mysql/migration/2.9.0-3.0.0.sql
@@ -18,4 +18,8 @@ alter table llx_product_price add column recuperableonly integer NOT NULL DEFAUL
 alter table llx_product change column envente tosell tinyint DEFAULT 1;
 alter table llx_product add column tobuy tinyint DEFAULT 1 after tosell;
 alter table llx_product_price change column envente tosell tinyint DEFAULT 1;
- 
\ No newline at end of file
+ 
+
+ALTER TABLE llx_boxes_def DROP INDEX uk_boxes_def;
+ALTER TABLE llx_boxes_def MODIFY note varchar(255);
+ALTER TABLE llx_boxes_def ADD UNIQUE INDEX uk_boxes_def (file, entity, note);
diff --git a/htdocs/install/mysql/tables/llx_boxes_def.key.sql b/htdocs/install/mysql/tables/llx_boxes_def.key.sql
index 70192090600..690df4cf56a 100644
--- a/htdocs/install/mysql/tables/llx_boxes_def.key.sql
+++ b/htdocs/install/mysql/tables/llx_boxes_def.key.sql
@@ -20,4 +20,5 @@
 -- ===========================================================================
 
 
-ALTER TABLE llx_boxes_def ADD UNIQUE INDEX uk_boxes_def (file, entity);
+        -- We need to include note to allow several entries for external rss module
+        ALTER TABLE llx_boxes_def ADD UNIQUE INDEX uk_boxes_def (file, entity, note);
diff --git a/htdocs/install/mysql/tables/llx_boxes_def.sql b/htdocs/install/mysql/tables/llx_boxes_def.sql
index 93fde44596e..be558cd247d 100644
--- a/htdocs/install/mysql/tables/llx_boxes_def.sql
+++ b/htdocs/install/mysql/tables/llx_boxes_def.sql
@@ -25,11 +25,11 @@ create table llx_boxes_def
   file        varchar(255) NOT NULL,
   entity      integer DEFAULT 1 NOT NULL,	-- multi company id
   tms         timestamp,
-  note        text
+  note        varchar(255)
 )type=innodb;
 
 -- 
--- List of codes for the field entity
+-- List of codes for the field "entity"
 --
 -- 1 : first company boxes
 -- 2 : second company boxes