diff --git a/actix-macros/src/lib.rs b/actix-macros/src/lib.rs
index 884958f6..ea160925 100644
--- a/actix-macros/src/lib.rs
+++ b/actix-macros/src/lib.rs
@@ -70,7 +70,7 @@ pub fn test(_: TokenStream, item: TokenStream) -> TokenStream {
     if input.sig.asyncness.is_none() {
         return syn::Error::new_spanned(
             input.sig.fn_token,
-            format!("only async fn is supported, {:?}", input.sig.fn_token),
+            format!("only async fn is supported, {:?}", input.sig.ident),
         )
         .to_compile_error()
         .into();