diff --git a/programs/.gitignore b/programs/.gitignore
index 0f1fd279..27055b82 100644
--- a/programs/.gitignore
+++ b/programs/.gitignore
@@ -13,6 +13,7 @@ pkey/dh_client
 pkey/dh_genprime
 pkey/dh_server
 pkey/ecdsa
+pkey/ecdh_curve25519
 pkey/gen_key
 pkey/key_app
 pkey/key_app_writer