diff --git a/spec/models/prometheus_metric_spec.rb b/spec/models/prometheus_metric_spec.rb
index 09ece18a325..a83a31ae88c 100644
--- a/spec/models/prometheus_metric_spec.rb
+++ b/spec/models/prometheus_metric_spec.rb
@@ -36,7 +36,7 @@ describe PrometheusMetric do
 
     where(:legend, :type) do
       'Some other legend' | NilClass
-      'Status Code'       | Hash
+      'Status Code'       | Array
     end
 
     with_them do