diff --git a/src/config/example.toml b/src/config/example.toml
index f381fce00ab09..1ec6c845cac5d 100644
--- a/src/config/example.toml
+++ b/src/config/example.toml
@@ -22,6 +22,7 @@ hummock_version_checkpoint_interval_sec = 30
 min_delta_log_num_for_hummock_version_checkpoint = 10
 max_heartbeat_interval_secs = 300
 disable_recovery = false
+enable_scale_in_when_recovery = false
 meta_leader_lease_secs = 30
 default_parallelism = "Full"
 enable_compaction_deterministic = false