diff --git a/htdocs/install/mysql/migration/14.0.0-15.0.0.sql b/htdocs/install/mysql/migration/14.0.0-15.0.0.sql
index 1ab2b9d828e..efbb129e2a1 100644
--- a/htdocs/install/mysql/migration/14.0.0-15.0.0.sql
+++ b/htdocs/install/mysql/migration/14.0.0-15.0.0.sql
@@ -40,7 +40,7 @@
 
 ALTER TABLE llx_emailcollector_emailcollectoraction MODIFY COLUMN actionparam TEXT;
 
-ALTER TABLE llx_knowledgemanagement_knowledgerecord ADD lang varchar(6);
+ALTER TABLE llx_knowledgemanagement_knowledgerecord ADD COLUMN lang varchar(6);
 ALTER TABLE llx_knowledgemanagement_knowledgerecord ADD COLUMN entity integer DEFAULT 1;
 
 CREATE TABLE llx_categorie_ticket