diff --git a/packages/server/src/database/seeds/core/20200810121809_seed_settings.ts b/packages/server/src/database/seeds/core/20200810121809_seed_settings.ts
index 534c4b584..8e05b291d 100644
--- a/packages/server/src/database/seeds/core/20200810121809_seed_settings.ts
+++ b/packages/server/src/database/seeds/core/20200810121809_seed_settings.ts
@@ -15,6 +15,7 @@ export default class SeedSettings extends TenantSeeder {
 
       // Manual journals settings.
       { group: 'manual_journals', key: 'next_number', value: '00001' },
+      { group: 'manual_journals', key: 'number_prefix', value: 'J-' },
       { group: 'manual_journals', key: 'auto_increment', value: true },
 
       // Sale invoices settings.