diff --git a/src/kex.c b/src/kex.c
index 09659022..519d79ce 100644
--- a/src/kex.c
+++ b/src/kex.c
@@ -112,6 +112,7 @@ static const char *supported_methods[] = {
   "hmac-sha2-256,hmac-sha2-512,hmac-sha1",
   "hmac-sha2-256,hmac-sha2-512,hmac-sha1",
   ZLIB,
+  ZLIB,
   "",
   "",
   NULL