diff --git a/fish-rust/widestring-suffix/src/lib.rs b/fish-rust/widestring-suffix/src/lib.rs
index 4162e7274..af14d928a 100644
--- a/fish-rust/widestring-suffix/src/lib.rs
+++ b/fish-rust/widestring-suffix/src/lib.rs
@@ -44,7 +44,7 @@ fn widen_literal(lit: Literal) -> TokenStream {
         Some(lit) if lit.suffix() == "L" => {
             let value = lit.value();
             let span = lit.span();
-            quote_spanned!(span=> crate::wchar::L!(#value)).into()
+            quote_spanned!(span=> crate::wchar::L!(#value))
         }
         _ => tt.into(),
     }