diff --git a/ext/puma_http11/mini_ssl.c b/ext/puma_http11/mini_ssl.c
index 7e0fd5e..88c4652 100644
--- a/ext/puma_http11/mini_ssl.c
+++ b/ext/puma_http11/mini_ssl.c
@@ -161,7 +161,7 @@ VALUE engine_init_server(VALUE self, VALUE mini_ssl_ctx) {
   SSL_CTX_set_options(ctx, SSL_OP_CIPHER_SERVER_PREFERENCE | SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | SSL_OP_SINGLE_DH_USE | SSL_OP_SINGLE_ECDH_USE | SSL_OP_NO_COMPRESSION);
   SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
 
-  SSL_CTX_set_cipher_list(ctx, "HIGH:!aNULL@STRENGTH");
+  SSL_CTX_set_cipher_list(ctx, "PROFILE=SYSTEM");
 
   DH *dh = get_dh1024();
   SSL_CTX_set_tmp_dh(ctx, dh);
-- 
2.5.5