diff --git a/htdocs/install/mysql/migration/12.0.0-13.0.0.sql b/htdocs/install/mysql/migration/12.0.0-13.0.0.sql
index f1ea3d237a3..31cdf9c8d62 100644
--- a/htdocs/install/mysql/migration/12.0.0-13.0.0.sql
+++ b/htdocs/install/mysql/migration/12.0.0-13.0.0.sql
@@ -554,7 +554,3 @@ INSERT INTO llx_c_socialnetworks (entity, code, label, url, icon, active) VALUES
 ALTER TABLE llx_product_fournisseur_price ADD COLUMN packaging varchar(64);
 
 ALTER TABLE llx_projet ADD COLUMN fk_opp_status_end integer DEFAULT NULL;
-
-ALTER TABLE llx_mrp_production ADD COLUMN fk_soc integer NOT NULL;
-
-
diff --git a/htdocs/install/mysql/tables/llx_mrp_production.sql b/htdocs/install/mysql/tables/llx_mrp_production.sql
index d2b44427f58..36129a54aea 100644
--- a/htdocs/install/mysql/tables/llx_mrp_production.sql
+++ b/htdocs/install/mysql/tables/llx_mrp_production.sql
@@ -17,7 +17,6 @@
 CREATE TABLE llx_mrp_production(
 	rowid integer AUTO_INCREMENT PRIMARY KEY NOT NULL, 
 	fk_mo integer NOT NULL,
-    fk_soc integer NOT NULL,
 	position integer NOT NULL DEFAULT 0,
 	fk_product integer NOT NULL, 
 	fk_warehouse integer,
diff --git a/htdocs/mrp/class/mo.class.php b/htdocs/mrp/class/mo.class.php
index 274782a14ea..2de6aecc4bf 100644
--- a/htdocs/mrp/class/mo.class.php
+++ b/htdocs/mrp/class/mo.class.php
@@ -1352,7 +1352,7 @@ class Mo extends CommonObject
 	 */
 	public static function replaceThirdparty($db, $origin_id, $dest_id)
 	{
-		$tables = array('mrp_production');
+		$tables = array('mrp_mo');
 
 		return CommonObject::commonReplaceThirdparty($db, $origin_id, $dest_id, $tables);
 	}