diff --git a/no_std/no_std_test/Cargo.toml b/no_std/no_std_test/Cargo.toml
index f22daed0..4b151047 100644
--- a/no_std/no_std_test/Cargo.toml
+++ b/no_std/no_std_test/Cargo.toml
@@ -8,7 +8,7 @@ homepage = "https://github.com/jonathandturner/rhai/tree/master/no_std/no_std_te
 repository = "https://github.com/jonathandturner/rhai"
 
 [dependencies]
-rhai = { path = "../../", features = [ "no_std" ], default_features = false }
+rhai = { path = "../../", features = [ "no_std", "unchecked", "only_i32", "no_module" ], default_features = false }
 wee_alloc = { version = "0.4.5", default_features = false }
 
 [profile.dev]
diff --git a/no_std/no_std_test/src/main.rs b/no_std/no_std_test/src/main.rs
index 88ba8b02..829802f8 100644
--- a/no_std/no_std_test/src/main.rs
+++ b/no_std/no_std_test/src/main.rs
@@ -1,4 +1,4 @@
-//! This is a `no-std` application for the that evaluates
+//! This is a bare-bones `no-std` application that evaluates
 //! a simple expression and uses the result as the return value.
 
 #![no_std]
@@ -14,10 +14,12 @@ use rhai::{Engine, INT};
 
 #[start]
 fn main(_argc: isize, _argv: *const *const u8) -> isize {
-    let engine = Engine::new();
+    // Notice that this is a _raw_ engine.
+    // To do anything useful, load a few packages from `rhai::packages`.
+    let engine = Engine::new_raw();
 
     // Evaluate a simple expression: 40 + 2
-    engine.eval::<INT>("40 + 2").unwrap() as isize
+    engine.eval_expression::<INT>("40 + 2").unwrap() as isize
 }
 
 #[alloc_error_handler]