diff --git a/mxqd.c b/mxqd.c
index bfff359d..0006c372 100644
--- a/mxqd.c
+++ b/mxqd.c
@@ -2303,6 +2303,14 @@ static void process_signal(struct mxq_server *server,int sig,int extra)
                     mx_log_info("received sigusr2 extra %d (dump)",extra);
                     server_dump(server);
                     break;
+                case 20:
+                    mx_log_info("received sigusr2 extra %d (set loglevel info)",extra);
+                    mx_log_level_set(MX_LOG_INFO);
+                    break;
+                case 21:
+                    mx_log_info("received sigusr2 extra %d (set loglevel debug)",extra);
+                    mx_log_level_set(MX_LOG_DEBUG);
+                    break;
                 default:
                     mx_log_warning("received sigusr2 extra %d (unexpected!)",extra);
                     break;