diff --git a/src/query-builder/QueryPartialEntity.ts b/src/query-builder/QueryPartialEntity.ts
index 1e6ccfa301..6889c547e0 100644
--- a/src/query-builder/QueryPartialEntity.ts
+++ b/src/query-builder/QueryPartialEntity.ts
@@ -11,7 +11,9 @@ export type QueryPartialEntity<T> = {
  */
 export type QueryDeepPartialEntity<T> = {
     [P in keyof T]?:
-        T[P] extends Array<infer U> ? Array<QueryDeepPartialEntity<U>> :
-        T[P] extends ReadonlyArray<infer U> ? ReadonlyArray<QueryDeepPartialEntity<U>> :
-        QueryDeepPartialEntity<T[P]> | (() => string);
+        (
+            T[P] extends Array<infer U> ? Array<QueryDeepPartialEntity<U>> :
+            T[P] extends ReadonlyArray<infer U> ? ReadonlyArray<QueryDeepPartialEntity<U>> :
+            QueryDeepPartialEntity<T[P]>
+        ) | (() => string);
 };