diff --git a/logstash-core/spec/logstash/pipeline_dlq_commit_spec.rb b/logstash-core/spec/logstash/pipeline_dlq_commit_spec.rb
index 370318dc0..83d1e5d16 100644
--- a/logstash-core/spec/logstash/pipeline_dlq_commit_spec.rb
+++ b/logstash-core/spec/logstash/pipeline_dlq_commit_spec.rb
@@ -36,7 +36,7 @@ class DLQCommittingFilter < LogStash::Filters::Base
 end
 
 describe LogStash::Pipeline do
-  let(:pipeline_settings_obj) { LogStash::SETTINGS }
+  let(:pipeline_settings_obj) { LogStash::SETTINGS.clone }
   let(:pipeline_settings) do
     {
       "pipeline.workers" => 2,