diff --git a/syntax/parse.rs b/syntax/parse.rs
index 484b101..1927554 100644
--- a/syntax/parse.rs
+++ b/syntax/parse.rs
@@ -3,7 +3,7 @@
 use crate::syntax::report::Errors;
 use crate::syntax::Atom::*;
 use crate::syntax::{
-    attrs, error, Api, CppName, Doc, Enum, ExternFn, ExternType, Impl, Include, IncludeKind, Lang,
+    attrs, error, Api, Doc, Enum, ExternFn, ExternType, Impl, Include, IncludeKind, Lang,
     Namespace, Pair, Receiver, Ref, ResolvableName, Signature, Slice, Struct, Ty1, Type, TypeAlias,
     Var, Variant,
 };
@@ -398,10 +398,11 @@
     let throws = throws_tokens.is_some();
     let unsafety = foreign_fn.sig.unsafety;
     let fn_token = foreign_fn.sig.fn_token;
-    let ident = Pair {
-        cxx: CppName::new(ns, cxx_name.unwrap_or(foreign_fn.sig.ident.clone())),
-        rust: rust_name.unwrap_or(foreign_fn.sig.ident.clone()),
-    };
+    let ident = Pair::new_from_differing_names(
+        ns,
+        cxx_name.unwrap_or(foreign_fn.sig.ident.clone()),
+        rust_name.unwrap_or(foreign_fn.sig.ident.clone()),
+    );
     let paren_token = foreign_fn.sig.paren_token;
     let semi_token = foreign_fn.semi_token;
     let api_function = match lang {