diff --git a/src/test/fuzz/p2p_handshake.cpp b/src/test/fuzz/p2p_handshake.cpp
index d608efd87ac..aec7387eb2f 100644
--- a/src/test/fuzz/p2p_handshake.cpp
+++ b/src/test/fuzz/p2p_handshake.cpp
@@ -42,14 +42,14 @@ FUZZ_TARGET(p2p_handshake, .init = ::initialize)
     SeedRandomStateForTest(SeedRand::ZEROS);
     FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
 
-    ConnmanTestMsg& connman = static_cast<ConnmanTestMsg&>(*g_setup->m_node.connman);
+    auto& connman = static_cast<ConnmanTestMsg&>(*g_setup->m_node.connman);
     auto& chainman = static_cast<TestChainstateManager&>(*g_setup->m_node.chainman);
     SetMockTime(1610000000); // any time to successfully reset ibd
     chainman.ResetIbd();
 
     node::Warnings warnings{};
     NetGroupManager netgroupman{{}};
-    AddrMan addrman{netgroupman, /*deterministic=*/true, 0};
+    AddrMan addrman{netgroupman, /*deterministic=*/true, /*consistency_check_ratio=*/0};
     auto peerman = PeerManager::make(connman, addrman,
                                      /*banman=*/nullptr, chainman,
                                      *g_setup->m_node.mempool, warnings,
diff --git a/src/test/fuzz/process_message.cpp b/src/test/fuzz/process_message.cpp
index ac521370e8e..05a28b2e6f8 100644
--- a/src/test/fuzz/process_message.cpp
+++ b/src/test/fuzz/process_message.cpp
@@ -5,6 +5,7 @@
 #include <consensus/consensus.h>
 #include <net.h>
 #include <net_processing.h>
+#include <node/warnings.h>
 #include <primitives/transaction.h>
 #include <protocol.h>
 #include <script/script.h>
@@ -40,9 +41,11 @@ void initialize_process_message()
         Assert(std::count(ALL_NET_MESSAGE_TYPES.begin(), ALL_NET_MESSAGE_TYPES.end(), LIMIT_TO_MESSAGE_TYPE)); // Unknown message type passed
     }
 
-    static const auto testing_setup = MakeNoLogFileContext<const TestingSetup>(
+    static const auto testing_setup{
+        MakeNoLogFileContext<TestingSetup>(
             /*chain_type=*/ChainType::REGTEST,
-            {.extra_args = {"-txreconciliation"}});
+            {}),
+    };
     g_setup = testing_setup.get();
     SetMockTime(WITH_LOCK(g_setup->m_node.chainman->GetMutex(), return g_setup->m_node.chainman->ActiveTip()->Time()));
     for (int i = 0; i < 2 * COINBASE_MATURITY; i++) {
@@ -56,11 +59,23 @@ FUZZ_TARGET(process_message, .init = initialize_process_message)
     SeedRandomStateForTest(SeedRand::ZEROS);
     FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
 
-    ConnmanTestMsg& connman = *static_cast<ConnmanTestMsg*>(g_setup->m_node.connman.get());
+    auto& connman = static_cast<ConnmanTestMsg&>(*g_setup->m_node.connman);
     auto& chainman = static_cast<TestChainstateManager&>(*g_setup->m_node.chainman);
     SetMockTime(1610000000); // any time to successfully reset ibd
     chainman.ResetIbd();
 
+    node::Warnings warnings{};
+    NetGroupManager netgroupman{{}};
+    AddrMan addrman{netgroupman, /*deterministic=*/true, /*consistency_check_ratio=*/0};
+    auto peerman = PeerManager::make(connman, addrman,
+                                     /*banman=*/nullptr, chainman,
+                                     *g_setup->m_node.mempool, warnings,
+                                     PeerManager::Options{
+                                         .reconcile_txs = true,
+                                         .deterministic_rng = true,
+                                     });
+
+    connman.SetMsgProc(peerman.get());
     LOCK(NetEventsInterface::g_msgproc_mutex);
 
     const std::string random_message_type{fuzzed_data_provider.ConsumeBytesAsString(CMessageHeader::MESSAGE_TYPE_SIZE).c_str()};
diff --git a/src/test/fuzz/process_messages.cpp b/src/test/fuzz/process_messages.cpp
index f172b1ad6e1..602f588d1c6 100644
--- a/src/test/fuzz/process_messages.cpp
+++ b/src/test/fuzz/process_messages.cpp
@@ -5,6 +5,7 @@
 #include <consensus/consensus.h>
 #include <net.h>
 #include <net_processing.h>
+#include <node/warnings.h>
 #include <protocol.h>
 #include <script/script.h>
 #include <sync.h>
@@ -30,9 +31,11 @@ const TestingSetup* g_setup;
 
 void initialize_process_messages()
 {
-    static const auto testing_setup = MakeNoLogFileContext<const TestingSetup>(
+    static const auto testing_setup{
+        MakeNoLogFileContext<TestingSetup>(
             /*chain_type=*/ChainType::REGTEST,
-            {.extra_args = {"-txreconciliation"}});
+            {}),
+    };
     g_setup = testing_setup.get();
     SetMockTime(WITH_LOCK(g_setup->m_node.chainman->GetMutex(), return g_setup->m_node.chainman->ActiveTip()->Time()));
     for (int i = 0; i < 2 * COINBASE_MATURITY; i++) {
@@ -46,11 +49,23 @@ FUZZ_TARGET(process_messages, .init = initialize_process_messages)
     SeedRandomStateForTest(SeedRand::ZEROS);
     FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
 
-    ConnmanTestMsg& connman = *static_cast<ConnmanTestMsg*>(g_setup->m_node.connman.get());
+    auto& connman = static_cast<ConnmanTestMsg&>(*g_setup->m_node.connman);
     auto& chainman = static_cast<TestChainstateManager&>(*g_setup->m_node.chainman);
     SetMockTime(1610000000); // any time to successfully reset ibd
     chainman.ResetIbd();
 
+    node::Warnings warnings{};
+    NetGroupManager netgroupman{{}};
+    AddrMan addrman{netgroupman, /*deterministic=*/true, /*consistency_check_ratio=*/0};
+    auto peerman = PeerManager::make(connman, addrman,
+                                     /*banman=*/nullptr, chainman,
+                                     *g_setup->m_node.mempool, warnings,
+                                     PeerManager::Options{
+                                         .reconcile_txs = true,
+                                         .deterministic_rng = true,
+                                     });
+    connman.SetMsgProc(peerman.get());
+
     LOCK(NetEventsInterface::g_msgproc_mutex);
 
     std::vector<CNode*> peers;