diff --git a/packages/common/pipes/default-value.pipe.ts b/packages/common/pipes/default-value.pipe.ts
index 4ce7d970174..65716f49789 100644
--- a/packages/common/pipes/default-value.pipe.ts
+++ b/packages/common/pipes/default-value.pipe.ts
@@ -16,7 +16,7 @@ import { isNil, isNumber } from '../utils/shared.utils';
 export class DefaultValuePipe<T = any, R = any>
   implements PipeTransform<T, T | R>
 {
-  constructor(private readonly defaultValue: R) {}
+  constructor(protected readonly defaultValue: R) {}
 
   transform(value?: T, _metadata?: ArgumentMetadata): T | R {
     if (
diff --git a/packages/common/pipes/parse-array.pipe.ts b/packages/common/pipes/parse-array.pipe.ts
index 6ede5cf0b83..c9ed1c67db6 100644
--- a/packages/common/pipes/parse-array.pipe.ts
+++ b/packages/common/pipes/parse-array.pipe.ts
@@ -36,7 +36,7 @@ export class ParseArrayPipe implements PipeTransform {
   protected readonly validationPipe: ValidationPipe;
   protected exceptionFactory: (error: string) => any;
 
-  constructor(@Optional() private readonly options: ParseArrayOptions = {}) {
+  constructor(@Optional() protected readonly options: ParseArrayOptions = {}) {
     this.validationPipe = new ValidationPipe({
       transform: true,
       validateCustomDecorators: true,