diff --git a/crates/rpc-types-engine/src/cancun.rs b/crates/rpc-types-engine/src/cancun.rs
index 4155d227b40..e1809a1a049 100644
--- a/crates/rpc-types-engine/src/cancun.rs
+++ b/crates/rpc-types-engine/src/cancun.rs
@@ -43,6 +43,11 @@ impl MaybeCancunPayloadFields {
     pub fn versioned_hashes(&self) -> Option<&Vec<B256>> {
         self.fields.as_ref().map(|fields| &fields.versioned_hashes)
     }
+
+    /// Returns a reference to the inner fields.
+    pub const fn as_ref(&self) -> Option<&CancunPayloadFields> {
+        self.fields.as_ref()
+    }
 }
 
 impl From<CancunPayloadFields> for MaybeCancunPayloadFields {