diff --git a/config/sample/sample-docker.engine-api.ini b/config/sample/sample-docker.engine-api.ini
index f18d26ae7e1c36c39c9b4e9be7a36e14668f11a6..e4839d5cf84196d02b29bd866927dec6b43da2a1 100644
--- a/config/sample/sample-docker.engine-api.ini
+++ b/config/sample/sample-docker.engine-api.ini
@@ -42,8 +42,8 @@ enable_federation="false"
 # chosen `node_type`.
 
 # NODE 1
-; host_id=1
-; sync_host="http://engine.sync.local:8008"
+host_id=1
+sync_host="http://localhost:8010"
 
 # NODE 2
 ; host_id=2
diff --git a/config/sample/sample-production.engine-api.ini b/config/sample/sample-production.engine-api.ini
index 85d67deb9b9f638a1d4ed28848137dce2842b049..09d1c39a2f905284e5ce3ea505079a8b0853b969 100644
--- a/config/sample/sample-production.engine-api.ini
+++ b/config/sample/sample-production.engine-api.ini
@@ -42,8 +42,8 @@ enable_federation="false"
 # chosen `node_type`.
 
 # NODE 1
-; host_id=1
-; sync_host="http://engine.sync.local:8008"
+host_id=1
+sync_host="http://engine.sync.local:8008"
 
 # NODE 2
 ; host_id=2