diff --git a/locales/en.json b/locales/en.json
index b45739149..903aa325a 100644
--- a/locales/en.json
+++ b/locales/en.json
@@ -331,6 +331,7 @@
     "migration_description_0009_decouple_regenconf_from_services": "Decouple the regen-conf mechanism from services",
     "migration_description_0010_migrate_to_apps_json": "Remove deprecated appslists and use the new unified 'apps.json' list instead",
     "migration_description_0011_setup_group_permission": "Setup user group and setup permission for apps and services",
+    "migration_description_0012_postgresql_password_to_md5_authentication": "Force postgresql authentication to use md5 for local connections",
     "migration_0003_backward_impossible": "The stretch migration cannot be reverted.",
     "migration_0003_start": "Starting migration to Stretch. The logs will be available in {logfile}.",
     "migration_0003_patching_sources_list": "Patching the sources.lists…",
diff --git a/src/yunohost/data_migrations/0011_postgresql_password_to_md5_authentication.py b/src/yunohost/data_migrations/0012_postgresql_password_to_md5_authentication.py
similarity index 91%
rename from src/yunohost/data_migrations/0011_postgresql_password_to_md5_authentication.py
rename to src/yunohost/data_migrations/0012_postgresql_password_to_md5_authentication.py
index 19f6ada69..5d36b3e23 100644
--- a/src/yunohost/data_migrations/0011_postgresql_password_to_md5_authentication.py
+++ b/src/yunohost/data_migrations/0012_postgresql_password_to_md5_authentication.py
@@ -1,7 +1,7 @@
 import glob
 import re
 from yunohost.tools import Migration
-from moulinette.utils.filesystem import chown
+from moulinette.utils.filesystem import read_file, write_to_file
 
 
 class MyMigration(Migration):