diff --git a/htdocs/install/mysql/migration/2.0.0-2.1.0.sql b/htdocs/install/mysql/migration/2.0.0-2.1.0.sql
index 8a3bb3a71cf..32f9c7c532e 100644
--- a/htdocs/install/mysql/migration/2.0.0-2.1.0.sql
+++ b/htdocs/install/mysql/migration/2.0.0-2.1.0.sql
@@ -955,3 +955,7 @@ UPDATE llx_usergroup_rights SET fk_id=fk_id+1 WHERE fk_id BETWEEN 1320 AND 1320;
 UPDATE llx_rights_def  SET ID=ID+1 WHERE ID BETWEEN 1420 AND 1420 AND module='commande';
 UPDATE llx_user_rights SET fk_id=fk_id+1 WHERE fk_id BETWEEN 1420 AND 1420;
 UPDATE llx_usergroup_rights SET fk_id=fk_id+1 WHERE fk_id BETWEEN 1420 AND 1420;
+
+
+-- Not used. Just to be compatible with upgrade process of higher versions
+alter table llx_const add column entity integer DEFAULT 1 NOT NULL;
diff --git a/htdocs/install/mysql/migration/2.1.0-2.2.0.sql b/htdocs/install/mysql/migration/2.1.0-2.2.0.sql
index 66279510024..69d4be5acd6 100644
--- a/htdocs/install/mysql/migration/2.1.0-2.2.0.sql
+++ b/htdocs/install/mysql/migration/2.1.0-2.2.0.sql
@@ -1175,4 +1175,8 @@ ALTER TABLE llx_commande_fournisseurdet MODIFY fk_product integer;
 
 -- Le prix d'un produit ne doit pas avoir la valeur NULL
 UPDATE llx_product SET price = 0 WHERE price is NULL;
-UPDATE llx_product SET price_ttc = 0 WHERE price_ttc is NULL;
\ No newline at end of file
+UPDATE llx_product SET price_ttc = 0 WHERE price_ttc is NULL;
+
+
+-- Not used. Just to be compatible with upgrade process of higher versions
+alter table llx_const add column entity integer DEFAULT 1 NOT NULL;
diff --git a/htdocs/install/mysql/migration/2.2.0-2.4.0.sql b/htdocs/install/mysql/migration/2.2.0-2.4.0.sql
index f70e6e565a0..d3ae4995d86 100644
--- a/htdocs/install/mysql/migration/2.2.0-2.4.0.sql
+++ b/htdocs/install/mysql/migration/2.2.0-2.4.0.sql
@@ -345,3 +345,7 @@ update llx_societe set fk_typent = 0 where fk_typent is null;
 
 ALTER TABLE llx_surveys_answers_summary TYPE=INNODB;
 
+
+-- Not used. Just to be compatible with upgrade process of higher versions
+alter table llx_const add column entity integer DEFAULT 1 NOT NULL;
+
diff --git a/htdocs/install/mysql/migration/2.4.0-2.5.0.sql b/htdocs/install/mysql/migration/2.4.0-2.5.0.sql
index 339a9b4627b..369e3664dad 100644
--- a/htdocs/install/mysql/migration/2.4.0-2.5.0.sql
+++ b/htdocs/install/mysql/migration/2.4.0-2.5.0.sql
@@ -110,3 +110,6 @@ INSERT INTO llx_expedition_methode (rowid,code,libelle,description,active) VALUE
 INSERT INTO llx_expedition_methode (rowid,code,libelle,description,active) VALUES (2,'TRANS','Transporter','Generic transporter',1);
 INSERT INTO llx_expedition_methode (rowid,code,libelle,description,active) VALUES (3,'COLSUI','Colissimo Suivi','Colissimo Suivi',0);
 
+
+-- Not used. Just to be compatible with upgrade process of higher versions
+alter table llx_const add column entity integer DEFAULT 1 NOT NULL;