diff --git a/coder-base/main.tf b/coder-base/main.tf
index cf72714..3712600 100644
--- a/coder-base/main.tf
+++ b/coder-base/main.tf
@@ -131,6 +131,7 @@ module "code-server" {
 
   version = ">= 1.0.0"
 
+  subdomain = true
   agent_id   = coder_agent.main.id
   order      = 1
   extensions = var.vscode_extensions