diff --git a/store/db/postgres/migration/prod/0.22/00__resource_storage_type.sql b/store/db/postgres/migration/prod/0.22/00__resource_storage_type.sql
index 918d4456..00cd9b26 100644
--- a/store/db/postgres/migration/prod/0.22/00__resource_storage_type.sql
+++ b/store/db/postgres/migration/prod/0.22/00__resource_storage_type.sql
@@ -1,16 +1,11 @@
-ALTER TABLE `resource`
-  ADD COLUMN `storage_type` VARCHAR(256) NOT NULL DEFAULT '',
-  ADD COLUMN `reference` VARCHAR(256) NOT NULL DEFAULT '',
-  ADD COLUMN `payload` TEXT NOT NULL;
+ALTER TABLE resource ADD COLUMN storage_type TEXT NOT NULL DEFAULT '';
+ALTER TABLE resource ADD COLUMN reference TEXT NOT NULL DEFAULT '';
+ALTER TABLE resource ADD COLUMN payload TEXT NOT NULL DEFAULT '{}';
 
-UPDATE `resource`
-SET `storage_type` = 'LOCAL', `reference` = `internal_path`
-WHERE `internal_path` IS NOT NULL AND `internal_path` != '';
+UPDATE resource SET storage_type = 'LOCAL', reference = internal_path WHERE internal_path IS NOT NULL AND internal_path != '';
 
-UPDATE `resource`
-SET `storage_type` = 'EXTERNAL', `reference` = `external_link`
-WHERE `external_link` IS NOT NULL AND `external_link` != '';
+UPDATE resource SET storage_type = 'EXTERNAL', reference = external_link WHERE external_link IS NOT NULL AND external_link != '';
 
-ALTER TABLE `resource` DROP COLUMN `internal_path`;
+ALTER TABLE resource DROP COLUMN internal_path;
 
-ALTER TABLE `resource` DROP COLUMN `external_link`;
+ALTER TABLE resource DROP COLUMN external_link;