diff --git a/models/intent.js b/models/intent.js
index 1dbf4c8..914ad9d 100644
--- a/models/intent.js
+++ b/models/intent.js
@@ -16,6 +16,7 @@ module.exports = (sequelize, DataTypes) => {
         },
         arguments: {
             type: DataTypes.ARRAY(DataTypes.STRING),
+            allowNull: true
         }
     }, {
         tableName: "intents",