diff --git a/src/index/base.cpp b/src/index/base.cpp
index 8fe30f89601..e134ad6bce5 100644
--- a/src/index/base.cpp
+++ b/src/index/base.cpp
@@ -151,9 +151,9 @@ void BaseIndex::ThreadSync()
                 const CBlockIndex* pindex_next = NextSyncBlock(pindex, m_chainstate->m_chain);
                 if (!pindex_next) {
                     m_best_block_index = pindex;
-                    m_synced = true;
                     // No need to handle errors in Commit. See rationale above.
                     Commit();
+                    m_synced = true;
                     break;
                 }
                 if (pindex_next->pprev != pindex && !Rewind(pindex, pindex_next->pprev)) {
diff --git a/src/init.cpp b/src/init.cpp
index eac326fae83..27addf275aa 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -238,9 +238,9 @@ void Shutdown(NodeContext& node)
 
     // After everything has been shut down, but before things get flushed, stop the
     // CScheduler/checkqueue, scheduler and load block thread.
+    if (node.chainman && node.chainman->m_load_block.joinable()) node.chainman->m_load_block.join();
     if (node.scheduler) node.scheduler->stop();
     if (node.reverification_scheduler) node.reverification_scheduler->stop();
-    if (node.chainman && node.chainman->m_load_block.joinable()) node.chainman->m_load_block.join();
     StopScriptCheckWorkerThreads();
 
     // After the threads that potentially access these pointers have been stopped,
diff --git a/src/net.cpp b/src/net.cpp
index 1b0e7369a37..5cd7e0e7642 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -2221,7 +2221,7 @@ std::vector<AddedNodeInfo> CConnman::GetAddedNodeInfo() const
     }
 
     for (const std::string& strAddNode : lAddresses) {
-        CService service(LookupNumeric(strAddNode, Params().GetDefaultPort(strAddNode)));
+        CService service{MaybeFlipIPv6toCJDNS(LookupNumeric(strAddNode, Params().GetDefaultPort(strAddNode)))};
         AddedNodeInfo addedNode{strAddNode, CService(), false, false};
         if (service.IsValid()) {
             // strAddNode is an IP:port
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index 972e85098dc..b20765a9e29 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -279,12 +279,12 @@ UniValue blockToJSON(const CBlock& block, const CBlockIndex* tip, const CBlockIn
                 const CTxUndo* txundo = (have_undo && i > 0) ? &blockUndo.vtxundo.at(i - 1) : nullptr;
                 UniValue objTx(UniValue::VOBJ);
                 TxToUniv(*tx, uint256(), objTx, true, RPCSerializationFlags(), txundo, verbosity);
-                txs.push_back(objTx);
+                txs.push_back(std::move(objTx));
             }
             break;
     }
 
-    result.pushKV("tx", txs);
+    result.pushKV("tx", std::move(txs));
 
     return result;
 }
diff --git a/src/rpc/request.cpp b/src/rpc/request.cpp
index f332eaa46b0..7d99fe088ba 100644
--- a/src/rpc/request.cpp
+++ b/src/rpc/request.cpp
@@ -78,6 +78,8 @@ static fs::path GetAuthCookieFile(bool temp=false)
     return AbsPathForConfigVal(fs::PathFromString(arg));
 }
 
+static bool g_generated_cookie = false;
+
 bool GenerateAuthCookie(std::string *cookie_out)
 {
     const size_t COOKIE_SIZE = 32;
@@ -103,6 +105,7 @@ bool GenerateAuthCookie(std::string *cookie_out)
         LogPrintf("Unable to rename cookie authentication file %s to %s\n", fs::PathToString(filepath_tmp), fs::PathToString(filepath));
         return false;
     }
+    g_generated_cookie = true;
     LogPrintf("Generated RPC authentication cookie %s\n", fs::PathToString(filepath));
 
     if (cookie_out)
@@ -168,7 +171,10 @@ bool GetMainchainAuthCookie(std::string *cookie_out)
 void DeleteAuthCookie()
 {
     try {
-        fs::remove(GetAuthCookieFile());
+        if (g_generated_cookie) {
+            // Delete the cookie file if it was generated by this process
+            fs::remove(GetAuthCookieFile());
+        }
     } catch (const fs::filesystem_error& e) {
         LogPrintf("%s: Unable to remove random auth cookie file: %s\n", __func__, fsbridge::get_filesystem_error_message(e));
     }
diff --git a/test/functional/feature_filelock.py b/test/functional/feature_filelock.py
index 945ece6a33f..9e3939f1010 100755
--- a/test/functional/feature_filelock.py
+++ b/test/functional/feature_filelock.py
@@ -27,7 +27,8 @@ def run_test(self):
         self.log.info("Check that we can't start a second bitcoind instance using the same datadir")
         expected_msg = f"Error: Cannot obtain a lock on data directory {datadir}. {self.config['environment']['PACKAGE_NAME']} is probably already running."
         self.nodes[1].assert_start_raises_init_error(extra_args=[f'-datadir={self.nodes[0].datadir}', '-noserver'], expected_msg=expected_msg)
-
+        cookie_file = datadir + "/.cookie"
+        assert os.path.isfile(cookie_file)  # should not be deleted during the second bitcoind instance shutdown
         if self.is_wallet_compiled():
             def check_wallet_filelock(descriptors):
                 wallet_name = ''.join([random.choice(string.ascii_lowercase) for _ in range(6)])