diff --git a/nexus-config/src/nexus_config.rs b/nexus-config/src/nexus_config.rs
index 36ce0909376..19f26eb5004 100644
--- a/nexus-config/src/nexus_config.rs
+++ b/nexus-config/src/nexus_config.rs
@@ -812,6 +812,7 @@ mod test {
             switch_port_settings_manager.period_secs = 30
             region_replacement.period_secs = 30
             instance_watcher.period_secs = 30
+            instance_updater.period_secs = 30
             service_firewall_propagation.period_secs = 300
             v2p_mapping_propagation.period_secs = 30
             abandoned_vmm_reaper.period_secs = 60
diff --git a/nexus/examples/config.toml b/nexus/examples/config.toml
index c282232ef8b..ecb58da6bed 100644
--- a/nexus/examples/config.toml
+++ b/nexus/examples/config.toml
@@ -116,6 +116,8 @@ switch_port_settings_manager.period_secs = 30
 region_replacement.period_secs = 30
 # How frequently to query the status of active instances.
 instance_watcher.period_secs = 30
+# How frequently to schedule new instance update sagass.
+instance_updater.period_secs = 30
 service_firewall_propagation.period_secs = 300
 v2p_mapping_propagation.period_secs = 30
 abandoned_vmm_reaper.period_secs = 60