diff --git a/master/fsm_slave_config.c b/master/fsm_slave_config.c
index 5cc04ccc..7f763b7c 100644
--- a/master/fsm_slave_config.c
+++ b/master/fsm_slave_config.c
@@ -1248,7 +1248,7 @@ void ec_fsm_slave_config_state_dc_sync_check(
     abs_sync_diff = EC_READ_U32(datagram->data) & 0x7fffffff;
     diff_ms = (datagram->jiffies_received - fsm->jiffies_start) * 1000 / HZ;
 
-    if (0 && abs_sync_diff > EC_DC_MAX_SYNC_DIFF_NS) {
+	if (abs_sync_diff > EC_DC_MAX_SYNC_DIFF_NS) {
 
         if (diff_ms >= EC_DC_SYNC_WAIT_MS) {
             EC_SLAVE_WARN(slave, "Slave did not sync after %lu ms.\n",