diff --git a/examples/templates/docker/main.tf b/examples/templates/docker/main.tf
index 001db6c83b..7e29d565c5 100644
--- a/examples/templates/docker/main.tf
+++ b/examples/templates/docker/main.tf
@@ -95,7 +95,7 @@ resource "docker_image" "main" {
   name = "coder-${data.coder_workspace.me.id}"
   build {
     path = "./build"
-    build_arg = {
+    build_args = {
       USER = local.username
     }
   }