diff --git a/server/sequelize/models/Shelf.js b/server/sequelize/models/Shelf.js
index 97ebc44..1b33561 100644
--- a/server/sequelize/models/Shelf.js
+++ b/server/sequelize/models/Shelf.js
@@ -23,7 +23,7 @@ module.exports = sequelize => sequelize.define('Shelf', {
     },
   },
   permissionLevel: {
-    type: Sequelize.NUMBER,
+    type: Sequelize.INTEGER,
     allowNull: false,
     defaultValue: 0,
     references: {