diff --git a/core/src/codegen/outer_from_impl.rs b/core/src/codegen/outer_from_impl.rs
index 79c5c68..5e266ef 100644
--- a/core/src/codegen/outer_from_impl.rs
+++ b/core/src/codegen/outer_from_impl.rs
@@ -28,6 +28,7 @@ pub trait OuterFromImpl<'a> {
 
         tokens.append_all(quote!(
             #[automatically_derived]
+            #[allow(clippy::manual_unwrap_or_default)]
             impl #impl_generics #trayt for #ty_ident #ty_generics
                 #where_clause
             {