diff --git a/td/tdnet/td/net/SslCtx.cpp b/td/tdnet/td/net/SslCtx.cpp
index 913a020..fb7bc94 100644
--- a/td/tdnet/td/net/SslCtx.cpp
+++ b/td/tdnet/td/net/SslCtx.cpp
@@ -209,7 +209,7 @@ Result<SslCtxPtr> do_create_ssl_ctx(CSlice cert_file, SslCtx::VerifyPeer verify_
   }
 
   string cipher_list;
-  if (SSL_CTX_set_cipher_list(ssl_ctx, cipher_list.empty() ? "DEFAULT" : cipher_list.c_str()) == 0) {
+  if (SSL_CTX_set_cipher_list(ssl_ctx, cipher_list.empty() ? "PROFILE=SYSTEM" : cipher_list.c_str()) == 0) {
     return create_openssl_error(-9, PSLICE() << "Failed to set cipher list \"" << cipher_list << '"');
   }