diff --git a/crates/rust/src/interface.rs b/crates/rust/src/interface.rs
index 4f4f00471..ebfc6f9e1 100644
--- a/crates/rust/src/interface.rs
+++ b/crates/rust/src/interface.rs
@@ -303,6 +303,7 @@ macro_rules! {macro_name} {{
                     unreachable!()
                 }
             };
+            let module = module.replace(':', "_").replace('#', "_");
             let camel = name.to_upper_camel_case();
             uwriteln!(
                 self.src,
@@ -1215,6 +1216,7 @@ unsafe fn call_import(&mut self, _params: Self::ParamsLower, _results: *mut u8)
         };
         let export_prefix = self.r#gen.opts.export_prefix.as_deref().unwrap_or("");
         let export_name = func.legacy_core_export_name(wasm_module_export_name.as_deref());
+        let export_name = export_name.replace(':', "_").replace('#', "_");
         let export_name = if async_ {
             format!("[async-lift]{export_name}")
         } else {