diff --git a/go/secretsmgr/secretsmgr.go b/go/secretsmgr/secretsmgr.go
index f5983699c2..298044702a 100644
--- a/go/secretsmgr/secretsmgr.go
+++ b/go/secretsmgr/secretsmgr.go
@@ -58,7 +58,7 @@ func hostname() string {
 }
 
 func defaultPrincipals(hostname string) string {
-	return fmt.Sprintf("%s.as205479.net,%s.int.as205479.net", hostname, hostname)
+	return fmt.Sprintf("%s,%s.as205479.net,%s.int.as205479.net", hostname, hostname, hostname)
 }
 
 func sshHostKeyPaths(ctx context.Context) ([]string, error) {