diff --git a/src/ssl_sock.c b/src/ssl_sock.c
index c44c9e7e3..e629ca2d8 100644
--- a/src/ssl_sock.c
+++ b/src/ssl_sock.c
@@ -5144,6 +5144,9 @@ static int ssl_sock_prepare_srv_ssl_ctx(const struct server *srv, SSL_CTX *ctx)
 		cfgerr++;
 	}
 
+#ifdef SSL_CTRL_SET_MSG_CALLBACK
+	SSL_CTX_set_msg_callback(ctx, ssl_sock_msgcbk);
+#endif
 #ifdef HAVE_SSL_CTX_SET_CIPHERSUITES
 	if (srv->ssl_ctx.ciphersuites &&
 		!SSL_CTX_set_ciphersuites(ctx, srv->ssl_ctx.ciphersuites)) {