diff --git a/src/server/acl/acl_family.cc b/src/server/acl/acl_family.cc
index 97e4b4b23..456793a32 100644
--- a/src/server/acl/acl_family.cc
+++ b/src/server/acl/acl_family.cc
@@ -618,6 +618,15 @@ void AclFamily::Init(facade::Listener* main_listener, UserRegistry* registry) {
   }
   registry_->Init();
   config_registry.RegisterMutable("aclfile");
+  config_registry.RegisterMutable("acllog_max_len", [this](const absl::CommandLineFlag& flag) {
+    auto res = flag.TryGet<size_t>();
+    if (res.has_value()) {
+      pool_->AwaitFiberOnAll([&res](auto index, auto* context) {
+        ServerState::tlocal()->acl_log.SetTotalEntries(res.value());
+      });
+    }
+    return res.has_value();
+  });
 }
 
 }  // namespace dfly::acl
diff --git a/src/server/acl/acl_log.cc b/src/server/acl/acl_log.cc
index d7bf39da6..9e05627a5 100644
--- a/src/server/acl/acl_log.cc
+++ b/src/server/acl/acl_log.cc
@@ -55,4 +55,12 @@ AclLog::LogType AclLog::GetLog(size_t number_of_entries) const {
   return {start, end};
 }
 
+void AclLog::SetTotalEntries(size_t total_entries) {
+  if (log_.size() > total_entries) {
+    log_.erase(std::next(log_.begin(), total_entries), log_.end());
+  }
+
+  total_entries_allowed_ = total_entries;
+}
+
 }  // namespace dfly::acl
diff --git a/src/server/acl/acl_log.h b/src/server/acl/acl_log.h
index ced2af7ec..0a588e47d 100644
--- a/src/server/acl/acl_log.h
+++ b/src/server/acl/acl_log.h
@@ -42,9 +42,11 @@ class AclLog {
 
   LogType GetLog(size_t number_of_entries) const;
 
+  void SetTotalEntries(size_t total_entries);
+
  private:
   LogType log_;
-  const size_t total_entries_allowed_;
+  size_t total_entries_allowed_;
 };
 
 }  // namespace dfly::acl
diff --git a/tests/dragonfly/acl_family_test.py b/tests/dragonfly/acl_family_test.py
index da11cd08c..f4841e166 100644
--- a/tests/dragonfly/acl_family_test.py
+++ b/tests/dragonfly/acl_family_test.py
@@ -439,3 +439,33 @@ async def test_set_acl_file(async_client: aioredis.Redis, tmp_dir):
 
     result = await async_client.execute_command("AUTH roy mypass")
     assert result == "OK"
+
+
+@pytest.mark.asyncio
+@dfly_args({"proactor_threads": 1})
+async def test_set_len_acl_log(async_client):
+    res = await async_client.execute_command("ACL LOG")
+    assert [] == res
+
+    await async_client.execute_command("ACL SETUSER elon >mars ON +@string +@dangerous")
+
+    for x in range(7):
+        with pytest.raises(redis.exceptions.AuthenticationError):
+            await async_client.execute_command("AUTH elon wrong")
+
+    res = await async_client.execute_command("ACL LOG")
+    assert 7 == len(res)
+
+    await async_client.execute_command(f"CONFIG SET acllog_max_len 3")
+
+    res = await async_client.execute_command("ACL LOG")
+    assert 3 == len(res)
+
+    await async_client.execute_command(f"CONFIG SET acllog_max_len 10")
+
+    for x in range(7):
+        with pytest.raises(redis.exceptions.AuthenticationError):
+            await async_client.execute_command("AUTH elon wrong")
+
+    res = await async_client.execute_command("ACL LOG")
+    assert 10 == len(res)