diff --git a/unittest/python/test_user_type.py b/unittest/python/test_user_type.py
index 80d5e1a24119e040da075e3b7935b29ced4250d5..f9408362e26f7e611af9803576fb46322520decd 100644
--- a/unittest/python/test_user_type.py
+++ b/unittest/python/test_user_type.py
@@ -32,6 +32,9 @@ def test(dtype):
   assert not (mat > mat).all()
   assert not (mat < mat).all()
 
+  mat2 = mat.dot(mat.T)
+  mat2 = np.matmul(mat,mat.T)
+
 def test_cast(from_dtype,to_dtype):
   np.can_cast(from_dtype,to_dtype)