diff --git a/pkg/etcd/etcd.go b/pkg/etcd/etcd.go
index 7cc7c78724..bc49209429 100644
--- a/pkg/etcd/etcd.go
+++ b/pkg/etcd/etcd.go
@@ -224,7 +224,7 @@ func (e *ETCD) Test(ctx context.Context) error {
 			memberNameUrls = append(memberNameUrls, member.Name+"="+member.PeerURLs[0])
 		}
 	}
-	return &MembershipError{Members: memberNameUrls, Self: e.name + "=" + e.address}
+	return &MembershipError{Members: memberNameUrls, Self: e.name + "=" + e.peerURL()}
 }
 
 // DBDir returns the path to dataDir/db/etcd