diff --git a/master/fsm_slave_config.c b/master/fsm_slave_config.c
index 40454ec792f5e8f44e46ecdb4305e905e64b7aed..27a79c46a7ea06131c4710c60ba33d891c085c1f 100644
--- a/master/fsm_slave_config.c
+++ b/master/fsm_slave_config.c
@@ -1285,6 +1285,7 @@ void ec_fsm_slave_config_state_dc_sync_check(
 
             EC_SLAVE_DBG(slave, 1, "app_start_time=%llu\n",
                     master->app_start_time);
+            EC_SLAVE_DBG(slave, 1, "      app_time=%llu\n", master->app_time);
             EC_SLAVE_DBG(slave, 1, "    start_time=%llu\n", start_time);
             EC_SLAVE_DBG(slave, 1, "    cycle_time=%u\n", sync0->cycle_time);
             EC_SLAVE_DBG(slave, 1, "    shift_time=%u\n", sync0->shift_time);