diff --git a/app/config/config.go b/app/config/config.go
index ec95169..c09b27f 100644
--- a/app/config/config.go
+++ b/app/config/config.go
@@ -30,6 +30,7 @@ type ShipConfig struct {
 	MaxMessagesInFlight uint32 `yaml:"max_messages_in_flight"`
 	StartBlockNum       uint32 `yaml:"start_block_num"`
 	EndBlockNum         uint32 `yaml:"end_block_num"`
+	Chain               string `yaml:"chain"`
 }
 
 type Config struct {
diff --git a/config.example.yml b/config.example.yml
index 1bf5ff0..caf4a10 100644
--- a/config.example.yml
+++ b/config.example.yml
@@ -29,6 +29,10 @@ ship:
   # Url to ship api.
   url: "ws://127.0.0.1:8089"
 
+  # Name of chain. Note that this is just a name to be used in channel namespace.
+  # If unset, chain id from api is used.
+  # chain: wax
+
   # Fetch irreversible blocks only
   # irreversible_only: true