diff --git a/src/ffi_export.rs b/src/ffi_export.rs
index cb87cd0176..cf7ed3af10 100644
--- a/src/ffi_export.rs
+++ b/src/ffi_export.rs
@@ -131,11 +131,12 @@ macro_rules! __ffi_export__ {(
             ret
         }}
 
+        $crate::paste::item! {
         /// Define the N-API wrapping function.
         #[cfg(any(
             $(
                 all(),
-                __hack = $node_js_arg_count,
+                [< __hack_ $node_js_arg_count >] = "",
             )?
         ))]
         const _: () = {
@@ -231,6 +232,7 @@ macro_rules! __ffi_export__ {(
                 }
             }
         };
+        }
     };
 
     #[cfg(not(target_arch = "wasm32"))]