diff --git a/docs/modules/ReaderTaskEither.ts.md b/docs/modules/ReaderTaskEither.ts.md
index 7b30da0e9..59f5a35a9 100644
--- a/docs/modules/ReaderTaskEither.ts.md
+++ b/docs/modules/ReaderTaskEither.ts.md
@@ -360,7 +360,7 @@ keeping only the result of the first.
 
 ```ts
 export declare const tapReaderIO: {
-  <A, R2, _>(f: (a: A) => RT.ReaderTask<R2, _>): <R1, E>(
+  <A, R2, _>(f: (a: A) => RIO.ReaderIO<R2, _>): <R1, E>(
     self: ReaderTaskEither<R1, E, A>
   ) => ReaderTaskEither<R1 & R2, E, A>
   <R1, E, A, R2, _>(self: ReaderTaskEither<R1, E, A>, f: (a: A) => RIO.ReaderIO<R2, _>): ReaderTaskEither<R1 & R2, E, A>
diff --git a/src/ReaderTaskEither.ts b/src/ReaderTaskEither.ts
index 18b49227b..3d3d76800 100644
--- a/src/ReaderTaskEither.ts
+++ b/src/ReaderTaskEither.ts
@@ -1150,9 +1150,7 @@ export const tapReaderTask: {
  * @since 2.16.0
  */
 export const tapReaderIO: {
-  <A, R2, _>(f: (a: A) => ReaderTask<R2, _>): <R1, E>(
-    self: ReaderTaskEither<R1, E, A>
-  ) => ReaderTaskEither<R1 & R2, E, A>
+  <A, R2, _>(f: (a: A) => ReaderIO<R2, _>): <R1, E>(self: ReaderTaskEither<R1, E, A>) => ReaderTaskEither<R1 & R2, E, A>
   <R1, E, A, R2, _>(self: ReaderTaskEither<R1, E, A>, f: (a: A) => ReaderIO<R2, _>): ReaderTaskEither<R1 & R2, E, A>
 } = /*#__PURE__*/ dual(
   2,