diff --git a/tests/python/frontend/tensorflow/test_forward.py b/tests/python/frontend/tensorflow/test_forward.py
index d71405796edee..073ffa78fc660 100644
--- a/tests/python/frontend/tensorflow/test_forward.py
+++ b/tests/python/frontend/tensorflow/test_forward.py
@@ -4178,6 +4178,9 @@ def test_forward_isfinite():
     _verify_infiniteness_ops(tf.is_finite, "isfinite")
 
 
+def test_forward_isnan():
+    _verify_infiniteness_ops(tf.is_nan, "isnan")
+
 def _test_spop_placeholder_without_shape_info():
     with tf.Graph().as_default():