diff --git a/spec/workers/metrics_worker_spec.rb b/spec/workers/metrics_worker_spec.rb
index 2acd0f8ba307df3d0581638303fd99feaca2f07a..18260ea0c248592f1d901582438880ca4a5e100b 100644
--- a/spec/workers/metrics_worker_spec.rb
+++ b/spec/workers/metrics_worker_spec.rb
@@ -33,7 +33,7 @@ describe MetricsWorker do
 
     it 'drops empty tags' do
       metrics = worker.prepare_metrics([
-        { 'values' => {}, 'tags' => { 'cats' => '', 'dogs' => nil }}
+        { 'values' => {}, 'tags' => { 'cats' => '', 'dogs' => nil } }
       ])
 
       expect(metrics).to eq([{ values: {}, tags: {} }])