diff --git a/src/generate/register.rs b/src/generate/register.rs
index 5fa98603..a40ea4ec 100644
--- a/src/generate/register.rs
+++ b/src/generate/register.rs
@@ -1507,7 +1507,7 @@ fn add_from_variants_with_default(
         (
             quote! {
                 #[doc = #desc]
-                #pcv,
+                #pcv = #pcval,
             },
             quote! {
                 #pc::#pcv => #pcval,