diff --git a/CHANGELOG.md b/CHANGELOG.md
index 85cbde20..b89b7e93 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/).
 
 - Adapt RISC-V specific codegen for `riscv-peripheral` v0.3.0 rework
 - Include `riscv-peripheral` peripherals in `Peripherals` struct
+- `repr(transparent)` for field wrapper
 
 ## [v0.36.1] - 2025-04-04
 
diff --git a/src/generate/register.rs b/src/generate/register.rs
index 7622ba71..e9c1c4a0 100644
--- a/src/generate/register.rs
+++ b/src/generate/register.rs
@@ -1497,12 +1497,6 @@ fn add_with_no_variants(
         .as_ref()
         .map(|feature| quote!(#[cfg_attr(feature = #feature, derive(defmt::Format))]));
 
-    let cast = if fty == "bool" {
-        quote! { val.0 as u8 != 0 }
-    } else {
-        quote! { val.0 as _ }
-    };
-
     let desc = if let Some(rv) = reset_value {
         format!("{desc}\n\nValue on reset: {rv}")
     } else {
@@ -1513,11 +1507,12 @@ fn add_with_no_variants(
         #[doc = #desc]
         #defmt
         #[derive(Clone, Copy, Debug, PartialEq, Eq)]
+        #[repr(transparent)]
         pub struct #pc(#fty);
         impl From<#pc> for #fty {
             #[inline(always)]
             fn from(val: #pc) -> Self {
-                #cast
+                val.0
             }
         }
     });