diff --git a/src/logic/args.rs b/src/logic/args.rs
index b5ea74d..244a4e2 100644
--- a/src/logic/args.rs
+++ b/src/logic/args.rs
@@ -232,7 +232,7 @@ impl FieldsArg {
                 (Fields(f), Fields(ref b)) => f
                     .into_iter()
                     .filter(|v| !b.contains(v))
-                    .chain(b.clone().into_iter())
+                    .chain(b.clone())
                     .collect(),
                 (Fields(f), Omit(b)) => f.into_iter().filter(|v| !b.contains(v)).collect(),
                 (Omit(f), Fields(b)) => b.into_iter().filter(|v| !f.contains(v)).collect(),
diff --git a/src/view.rs b/src/view.rs
index 6f56944..64fa07b 100644
--- a/src/view.rs
+++ b/src/view.rs
@@ -199,7 +199,7 @@ fn impl_for_enum(data: &DataEnum, field_mapping: &mut Vec<TokenStream>, field_ma
                     #name::#field_name{#(#variant_args),*} => #original_name::#field_name{#(#variant_args),*}
                 });
                 field_mapping_reverse.push(quote!{
-                    #original_name::#field_name(#(#variant_args),*) => #name::#field_name(#(#variant_args),*)
+                    #original_name::#field_name{#(#variant_args),*} => #name::#field_name{#(#variant_args),*}
                 });
             },
         };