diff --git a/examples/host_function.rs b/examples/host_function.rs
index 0b9a77d..dfe8c61 100644
--- a/examples/host_function.rs
+++ b/examples/host_function.rs
@@ -10,7 +10,7 @@ struct Output {
     pub count: i32,
 }
 
-#[host_fn("extism:user")]
+#[host_fn("extism:env/user")]
 extern "ExtismHost" {
     fn hello_world(count: Json<Output>) -> Json<Output>;
 }