diff --git a/src/internals/helpers.ts b/src/internals/helpers.ts
index eaa5e0c..de87839 100644
--- a/src/internals/helpers.ts
+++ b/src/internals/helpers.ts
@@ -38,7 +38,7 @@ export type UnionToIntersection<union> = (
   ? intersection
   : never;
 
-export type Prettify<T> = { [K in keyof T]: T[K] } | never;
+export type Prettify<T> = { [K in keyof T]: Prettify<T[K]> } | never;
 
 export type RecursivePrettify<T> = IsArrayStrict<T> extends true
   ? RecursivePrettify<Extract<T, readonly any[]>[number]>[]
diff --git a/test/objects.test.ts b/test/objects.test.ts
index a60f1a3..cfcf6ba 100644
--- a/test/objects.test.ts
+++ b/test/objects.test.ts
@@ -929,7 +929,6 @@ describe("Objects", () => {
           a: string;
           b: {
             c: number;
-          } & {
             d: {
               0: {
                 f: boolean;
@@ -946,7 +945,6 @@ describe("Objects", () => {
       a: string;
       b: {
         c: number;
-      } & {
         d: {
           0: {
             f: boolean;