diff --git a/models/organisation_invite.model.js b/models/organisation_invite.model.js
index d97637a4..cce36883 100644
--- a/models/organisation_invite.model.js
+++ b/models/organisation_invite.model.js
@@ -13,6 +13,9 @@ const orgInvites = sequelize.define(
     email: {
       type: DataTypes.STRING,
       allowNull: false,
+      validate: {
+        isEmail: { msg: 'Invalid email' },
+      },
     },
     token: {
       type: DataTypes.STRING,
diff --git a/models/user.model.js b/models/user.model.js
index b6eb91d9..8176654d 100644
--- a/models/user.model.js
+++ b/models/user.model.js
@@ -22,6 +22,9 @@ const User = sequelize.define(
       type: DataTypes.STRING,
       unique: true,
       allowNull: false,
+      validate: {
+        isEmail: { msg: 'Invalid email' },
+      },
     },
     password_hash: {
       type: DataTypes.STRING,