diff --git a/cffu-core/src/main/java/io/foldright/cffu/CompletableFutureUtils.java b/cffu-core/src/main/java/io/foldright/cffu/CompletableFutureUtils.java
index cbc18984..7a49a6a8 100644
--- a/cffu-core/src/main/java/io/foldright/cffu/CompletableFutureUtils.java
+++ b/cffu-core/src/main/java/io/foldright/cffu/CompletableFutureUtils.java
@@ -719,7 +719,8 @@ private static <T> CompletableFuture<T> f_mostSuccessTupleOf0(
             Executor executorWhenTimeout, long timeout, TimeUnit unit, CompletionStage<?>[] stages) {
         // 1. MUST be non-minimal-stage CF instances in order to read results(`getSuccessNow`), otherwise UnsupportedOpException.
         // 2. SHOULD copy input cfs to avoid memory leaks, otherwise all input cfs would be retained until output cf completes.
-        final CompletableFuture<Object>[] cfArray = toNonMinCfCopyArray0(stages);
+        CompletableFuture<?>[] cfArray = mapArray(stages, CompletableFuture[]::new,
+                s -> toNonMinCf0(s).exceptionally(v -> null));
         return cffuCompleteOnTimeout(CompletableFuture.allOf(cfArray), null, timeout, unit, executorWhenTimeout)
                 .handle((unused, ex) -> f_tupleOf0(f_mGetSuccessNow0(null, cfArray)));
     }
@@ -946,7 +947,8 @@ private static <T> CompletableFuture<List<T>> mostSuccessResultsOf0(
 
         // 1. MUST be non-minimal-stage CF instances in order to read results(`getSuccessNow`), otherwise UnsupportedOpException.
         // 2. SHOULD copy input cfs to avoid memory leaks, otherwise all input cfs would be retained until output cf completes.
-        final CompletableFuture<T>[] cfArray = toNonMinCfCopyArray0(cfs);
+        CompletableFuture<T>[] cfArray = mapArray(cfs, CompletableFuture[]::new,
+                s -> LLCF.<T>toNonMinCf0(s).exceptionally(v -> valueIfNotSuccess));
         return cffuCompleteOnTimeout(CompletableFuture.allOf(cfArray), null, timeout, unit, executorWhenTimeout)
                 .handle((unused, ex) -> arrayList(f_mGetSuccessNow0(valueIfNotSuccess, cfArray)));
     }