diff --git a/types/sequelize/sequelize-tests.ts b/types/sequelize/sequelize-tests.ts
index 4e0aa9a73d..6b7ea6ea0a 100644
--- a/types/sequelize/sequelize-tests.ts
+++ b/types/sequelize/sequelize-tests.ts
@@ -981,6 +981,10 @@ User.findByPrimary( 'a string' );
 User.findByPrimary( 42 );
 User.findByPrimary( Buffer.from('a buffer') );
 
+User.findByPk( 'a string' );
+User.findByPk( 42 );
+User.findByPk( Buffer.from('a buffer') );
+
 User.findOne( { where : { username : 'foo' } } );
 User.findOne( { where : { id : 1 }, attributes : ['id', ['username', 'name']] } );
 User.findOne( { where : { id : 1 }, attributes : ['id'] } );