diff --git a/agent/agent_etcd.go b/agent/agent_etcd.go
index 510d95ce..98ce2878 100644
--- a/agent/agent_etcd.go
+++ b/agent/agent_etcd.go
@@ -48,7 +48,7 @@ func startEtcd(fs *flags, t *transporterServer) error {
 		"--name", names[t.req.ServerIndex],
 		"--data-dir", fs.etcdDataDir,
 
-		"--snapshot-count", t.req.EtcdSnapCount,
+		"--snapshot-count", fmt.Sprintf("%d", t.req.EtcdSnapCount),
 
 		"--listen-client-urls", clientURLs[t.req.ServerIndex],
 		"--advertise-client-urls", clientURLs[t.req.ServerIndex],