diff --git a/spec/prometheus/threaded_integration_spec.rb b/spec/prometheus/threaded_integration_spec.rb
index 8c400ef8..1e125967 100644
--- a/spec/prometheus/threaded_integration_spec.rb
+++ b/spec/prometheus/threaded_integration_spec.rb
@@ -40,7 +40,7 @@
       t4 = Thread.new do
         latch.wait
         res = get '/metrics'
-
+        
         expect(res.body).not_to be_empty
       end