diff --git a/tests/hwsim/test_sae.py b/tests/hwsim/test_sae.py
index 34b1fa243..47f7802b1 100644
--- a/tests/hwsim/test_sae.py
+++ b/tests/hwsim/test_sae.py
@@ -414,6 +414,9 @@ def test_sae_proto_ecc(dev, apdev):
               ("Invalid commit scalar (0)",
                "1300" + "0000000000000000000000000000000000000000000000000000000000000000" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728dd3c7c676b8e8081831b6bc3a64bdf136061a7de175e17d1965bfa41983ed02f8",
                None),
+              ("Invalid commit scalar (1)",
+               "1300" + "0000000000000000000000000000000000000000000000000000000000000001" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728dd3c7c676b8e8081831b6bc3a64bdf136061a7de175e17d1965bfa41983ed02f8",
+               None),
               ("Invalid commit scalar (> r)",
                "1300" + "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728dd3c7c676b8e8081831b6bc3a64bdf136061a7de175e17d1965bfa41983ed02f8",
                None),