diff --git a/crates/backend/src/codegen.rs b/crates/backend/src/codegen.rs
index 8ae6b738c00..95198784ac2 100644
--- a/crates/backend/src/codegen.rs
+++ b/crates/backend/src/codegen.rs
@@ -810,9 +810,11 @@ impl TryToTokens for ast::Export {
                     if self.function.r#async {
                         (quote_spanned! {
                             self.function.name_span =>
-                            #[deprecated(note = "async constructors are not supported")]
-                            fn constructor() {}
-                            constructor();
+                            const _: () = {
+                                #[deprecated(note = "async constructors produce invalid TS code and support will be removed in the future")]
+                                const fn constructor() {}
+                                constructor();
+                            };
                         })
                         .to_tokens(into);
                     }
diff --git a/crates/macro/ui-tests/unsupported-options.stderr b/crates/macro/ui-tests/unsupported-options.stderr
index 0ec899efad7..c9ecd30ff01 100644
--- a/crates/macro/ui-tests/unsupported-options.stderr
+++ b/crates/macro/ui-tests/unsupported-options.stderr
@@ -1,4 +1,4 @@
-warning: use of deprecated function `RustStruct::new::{closure#0}::constructor`: async constructors are not supported
+warning: use of deprecated function `RustStruct::new::{closure#0}::_::constructor`: async constructors produce invalid TS code and support will be removed in the future
   --> ui-tests/unsupported-options.rs:15:18
    |
 15 |     pub async fn new() -> Self {