diff --git a/src/engine.rs b/src/engine.rs
index bf36d028..972f135a 100644
--- a/src/engine.rs
+++ b/src/engine.rs
@@ -785,7 +785,7 @@ impl Engine {
             module_resolver: Box::new(crate::module::resolvers::FileModuleResolver::new()),
             #[cfg(not(feature = "no_module"))]
             #[cfg(any(feature = "no_std", target_arch = "wasm32",))]
-            module_resolver: None,
+            module_resolver: Box::new(crate::module::resolvers::DummyModuleResolver::new()),
 
             type_names: Default::default(),
             disabled_symbols: Default::default(),