diff --git a/migrations/20160119113143-users-add-displayName.js b/migrations/20160119113143-users-add-displayName.js
index 082493ec6..d2718cf26 100644
--- a/migrations/20160119113143-users-add-displayName.js
+++ b/migrations/20160119113143-users-add-displayName.js
@@ -1,7 +1,7 @@
 dbm = dbm || require('db-migrate');
 
 exports.up = function(db, callback) {
-    db.runSql('ALTER TABLE users ADD COLUMN displayName VARCHAR(512)', function (error) {
+    db.runSql('ALTER TABLE users ADD COLUMN displayName VARCHAR(512) DEFAULT ""', function (error) {
         if (error) console.error(error);
         callback(error);
     });
diff --git a/migrations/schema.sql b/migrations/schema.sql
index 85f357e91..880ddb581 100644
--- a/migrations/schema.sql
+++ b/migrations/schema.sql
@@ -18,7 +18,7 @@ CREATE TABLE IF NOT EXISTS users(
     createdAt VARCHAR(512) NOT NULL,
     modifiedAt VARCHAR(512) NOT NULL,
     admin INTEGER NOT NULL,
-    displayName VARCHAR(512),
+    displayName VARCHAR(512) DEFAULT '',
     PRIMARY KEY(id));
 
 CREATE TABLE IF NOT EXISTS tokens(