diff --git a/docs/k8s/Makefile b/docs/k8s/Makefile
index 5c9108dec..826a68b65 100644
--- a/docs/k8s/Makefile
+++ b/docs/k8s/Makefile
@@ -2,7 +2,7 @@
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.
 
-ROUTES ?= ""
+TS_ROUTES ?= ""
 SA_NAME ?= tailscale
 TS_KUBE_SECRET ?= tailscale