diff --git a/cluster/cluster_impl/forking_cluster.go b/cluster/cluster_impl/forking_cluster.go
index c930d36c27c5cfc904414883dcfbef90ebf147c2..0a3c2b313ff3c4e89e592af9256fc42713419914 100644
--- a/cluster/cluster_impl/forking_cluster.go
+++ b/cluster/cluster_impl/forking_cluster.go
@@ -25,10 +25,10 @@ import (
 
 type forkingCluster struct{}
 
-const fork = "fork"
+const forking = "forking"
 
 func init() {
-	extension.SetCluster(fork, NewForkingCluster)
+	extension.SetCluster(forking, NewForkingCluster)
 }
 
 func NewForkingCluster() cluster.Cluster {