diff --git a/src/test/fuzz/connman.cpp b/src/test/fuzz/connman.cpp
index bb9d28a4ab..6521c3f3b2 100644
--- a/src/test/fuzz/connman.cpp
+++ b/src/test/fuzz/connman.cpp
@@ -117,7 +117,7 @@ void test_one_input(const std::vector<uint8_t>& buffer)
             connman.RemoveAddedNode(random_string);
             break;
         case 24: {
-            const std::vector<bool> asmap = ConsumeRandomLengthIntegralVector<bool>(fuzzed_data_provider, 512);
+            const std::vector<bool> asmap = ConsumeRandomLengthBitVector(fuzzed_data_provider);
             if (SanityCheckASMap(asmap)) {
                 connman.SetAsmap(asmap);
             }
diff --git a/src/test/fuzz/net.cpp b/src/test/fuzz/net.cpp
index 3818838765..c61d406291 100644
--- a/src/test/fuzz/net.cpp
+++ b/src/test/fuzz/net.cpp
@@ -63,7 +63,7 @@ void test_one_input(const std::vector<uint8_t>& buffer)
             break;
         }
         case 3: {
-            const std::vector<bool> asmap = ConsumeRandomLengthIntegralVector<bool>(fuzzed_data_provider, 128);
+            const std::vector<bool> asmap = ConsumeRandomLengthBitVector(fuzzed_data_provider);
             if (!SanityCheckASMap(asmap)) {
                 break;
             }