diff --git a/.changeset/quick-forks-rush.md b/.changeset/quick-forks-rush.md
new file mode 100644
index 0000000..509fe76
--- /dev/null
+++ b/.changeset/quick-forks-rush.md
@@ -0,0 +1,5 @@
+---
+"mipd": patch
+---
+
+Always set loose autocomplete on `rdns` type.
diff --git a/README.md b/README.md
index c432783..164f68f 100644
--- a/README.md
+++ b/README.md
@@ -424,7 +424,7 @@ In some cases you might want to tune the global types (e.g. the `EIP1193Provider
 | Type                | Default                                                        | Description            |
 | ------------------- | -------------------------------------------------------------- | ---------------------- |
 | `provider`          | `import('viem').EIP1193Provider`                               | The EIP-1193 Provider. |
-| `rdns`              | `'com.coinbase' | 'com.enkrypt' | 'io.metamask' | 'io.zerion'` | Deterministic identifier for the Provider in the form of an rDNS (Reverse Domain Name Notation) |
+| `rdns`              | `'com.coinbase' \| 'com.enkrypt' \| 'io.metamask' \| 'io.zerion'` | Deterministic identifier for the Provider in the form of an rDNS (Reverse Domain Name Notation) |
 
 Configuration options are customizable using [declaration merging](https://www.typescriptlang.org/docs/handbook/declaration-merging.html). Extend the `Register` interface either directly in your code or in a `d.ts` file (e.g. `eip6963.d.ts`):
 
diff --git a/src/register.ts b/src/register.ts
index 0f48134..943c016 100644
--- a/src/register.ts
+++ b/src/register.ts
@@ -28,9 +28,11 @@ export type ResolvedRegister = {
     ? provider
     : DefaultRegister['provider']
   /** Reverse Domain Name Notation (rDNS) of the Wallet Provider. */
-  rdns: Register extends { rdns: infer rdns extends string }
-    ? rdns
-    : DefaultRegister['rdns'] | (string & {}) // loose autocomplete
+  rdns:
+    | (Register extends { rdns: infer rdns extends string }
+        ? rdns
+        : DefaultRegister['rdns'])
+    | (string & {}) // loose autocomplete
 }
 
 export type EIP1193Provider = ResolvedRegister['provider']