diff --git a/CHANGELOG.md b/CHANGELOG.md
index 58e212da..4ca2152d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/).
 
 ## [Unreleased]
 
+- Fix `enumeratedValues` with `isDefault` only
+
 ## [v0.33.4] - 2024-06-16
 
 - Add `html-url` option to access `svdtools html` files from docs
diff --git a/src/generate/register.rs b/src/generate/register.rs
index 569454cb..37d39d92 100644
--- a/src/generate/register.rs
+++ b/src/generate/register.rs
@@ -805,7 +805,7 @@ pub fn fields(
                         // if there's no variant defined in enumeratedValues, generate enumeratedValues with new-type
                         // wrapper struct, and generate From conversation only.
                         // else, generate enumeratedValues into a Rust enum with functions for each variant.
-                        if variants.is_empty() {
+                        if variants.is_empty() && def.is_none() {
                             // generate struct VALUE_READ_TY_A(fty) and From<fty> for VALUE_READ_TY_A.
                             add_with_no_variants(
                                 mod_items,