diff --git a/migrations/1595295132361-schema-version-on-user-config.js b/migrations/1595295132361-schema-version-on-user-config.js
index e8784b5a..e5dde96b 100644
--- a/migrations/1595295132361-schema-version-on-user-config.js
+++ b/migrations/1595295132361-schema-version-on-user-config.js
@@ -2,7 +2,7 @@ const db = require('./db')
 
 module.exports.up = function (next) {
   var sql = [
-    'alter table user_config add column schema_version smallint DEFAULT 1'
+    'alter table user_config add column schema_version smallint not null DEFAULT 1'
   ]
 
   db.multi(sql, next)