diff --git a/database/migrations/2014_10_12_200000_add_two_factor_columns_to_users_table.php b/database/migrations/2014_10_12_200000_add_two_factor_columns_to_users_table.php
index 749b5213..6acbf7b6 100644
--- a/database/migrations/2014_10_12_200000_add_two_factor_columns_to_users_table.php
+++ b/database/migrations/2014_10_12_200000_add_two_factor_columns_to_users_table.php
@@ -39,12 +39,12 @@ public function up()
     public function down()
     {
         Schema::table('users', function (Blueprint $table) {
-            $table->dropColumn([
+            $table->dropColumn(array_merge([
                 'two_factor_secret',
                 'two_factor_recovery_codes',
-            ] + Fortify::confirmsTwoFactorAuthentication() ? [
+            ], Fortify::confirmsTwoFactorAuthentication() ? [
                 'two_factor_confirmed_at',
-            ] : []);
+            ] : []));
         });
     }
 };