diff --git a/core-java-modules/core-java-concurrency-basic-3/src/main/java/com/baeldung/concurrent/completablefuture/retry/RetryCompletableFuture.java b/core-java-modules/core-java-concurrency-basic-3/src/main/java/com/baeldung/concurrent/completablefuture/retry/RetryCompletableFuture.java
index a46665559f..a3df6b3624 100644
--- a/core-java-modules/core-java-concurrency-basic-3/src/main/java/com/baeldung/concurrent/completablefuture/retry/RetryCompletableFuture.java
+++ b/core-java-modules/core-java-concurrency-basic-3/src/main/java/com/baeldung/concurrent/completablefuture/retry/RetryCompletableFuture.java
@@ -48,7 +48,7 @@ public class RetryCompletableFuture {
         CompletableFuture<T> cf = CompletableFuture.supplyAsync(supplier);
         sleep(100);
         for (int i = 0; i < maxRetries; i++) {
-            //cf = cf.exceptionallyAsync(__ -> supplier.get());
+            cf = cf.exceptionallyAsync(__ -> supplier.get());
         }
         return cf;
     }
diff --git a/core-java-modules/core-java-concurrency-basic-3/src/main/java/com/baeldung/concurrent/completablefuture/threadpool/CustomCompletableFuture.java b/core-java-modules/core-java-concurrency-basic-3/src/main/java/com/baeldung/concurrent/completablefuture/threadpool/CustomCompletableFuture.java
index 473cc562ca..1f3997768e 100644
--- a/core-java-modules/core-java-concurrency-basic-3/src/main/java/com/baeldung/concurrent/completablefuture/threadpool/CustomCompletableFuture.java
+++ b/core-java-modules/core-java-concurrency-basic-3/src/main/java/com/baeldung/concurrent/completablefuture/threadpool/CustomCompletableFuture.java
@@ -20,9 +20,9 @@ public class CustomCompletableFuture<T> extends CompletableFuture<T> {
         return future;
     }
 
-//    @Override
-//    public Executor defaultExecutor() {
-//        return executor;
-//    }
+    @Override
+    public Executor defaultExecutor() {
+        return executor;
+    }
 
 }
\ No newline at end of file