diff --git a/src/Migrations/Version20191214153125.php b/src/Migrations/Version20191214153125.php
index 432a9f0b..57613660 100644
--- a/src/Migrations/Version20191214153125.php
+++ b/src/Migrations/Version20191214153125.php
@@ -41,7 +41,7 @@ final class Version20191214153125 extends AbstractMigration
         // this up() migration is auto-generated, please modify it to your needs
         $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.');
 
-        $this->addSql('CREATE TABLE u2f_keys (id INT AUTO_INCREMENT NOT NULL, user_id INT DEFAULT NULL, key_handle VARCHAR(255) NOT NULL, public_key VARCHAR(64) NOT NULL, certificate LONGTEXT NOT NULL, counter VARCHAR(255) NOT NULL, name VARCHAR(255) NOT NULL, last_modified DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL, datetime_added DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL, INDEX IDX_4F4ADB4BA76ED395 (user_id), UNIQUE INDEX user_unique (user_id, key_handle), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci ENGINE = InnoDB');
+        $this->addSql('CREATE TABLE u2f_keys (id INT AUTO_INCREMENT NOT NULL, user_id INT DEFAULT NULL, key_handle VARCHAR(64) NOT NULL, public_key VARCHAR(255) NOT NULL, certificate LONGTEXT NOT NULL, counter VARCHAR(255) NOT NULL, name VARCHAR(255) NOT NULL, last_modified DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL, datetime_added DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL, INDEX IDX_4F4ADB4BA76ED395 (user_id), UNIQUE INDEX user_unique (user_id, key_handle), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci ENGINE = InnoDB');
         $this->addSql('ALTER TABLE u2f_keys ADD CONSTRAINT FK_4F4ADB4BA76ED395 FOREIGN KEY (user_id) REFERENCES `users` (id)');
         $this->addSql('ALTER TABLE `groups` ADD enforce_2fa TINYINT(1) NOT NULL');
         $this->addSql('ALTER TABLE users ADD google_authenticator_secret VARCHAR(255) DEFAULT NULL, ADD backup_codes LONGTEXT NOT NULL COMMENT \'(DC2Type:json)\', ADD backup_codes_generation_date DATETIME DEFAULT NULL, ADD trusted_device_cookie_version INT NOT NULL');