diff --git a/sql/upgrades/136.sql b/sql/upgrades/136.sql
index 7ae228fa..21abbf88 100644
--- a/sql/upgrades/136.sql
+++ b/sql/upgrades/136.sql
@@ -1,41 +1,41 @@
 -- SWH DB schema upgrade
 -- from_version: 135
 -- to_version: 136
 -- description: Add a 'type' column to the origin_visit table.
 
 insert into dbversion(version, release, description)
       values(136, now(), 'Work In Progress');
 
 -- Stop swh-storage first
 
 alter table origin_visit
     add column type text;
 
 comment on column origin_visit.type is 'Type of loader that did the visit (hg, git, ...)';
 
 
 create or replace function swh_origin_visit_add(origin_id bigint, date timestamptz, type text)
     returns bigint
     language sql
 as $$
   with last_known_visit as (
     select coalesce(max(visit), 0) as visit
     from origin_visit
     where origin = origin_id
   )
   insert into origin_visit (origin, date, type, visit, status)
   values (origin_id, date, type, (select visit from last_known_visit) + 1, 'ongoing')
   returning visit;
 $$;
 
 
 -- Start swh-storage here
 
 
 update origin_visit
     set type = origin.type
     from origin
     where origin_visit.origin = origin.id;
 
 alter table origin_visit
-    alter column type text set not null;
+    alter column type set not null;