diff --git a/app/jobs/marc_profiling_job.rb b/app/jobs/marc_profiling_job.rb
index e14ef652..9dbe8194 100644
--- a/app/jobs/marc_profiling_job.rb
+++ b/app/jobs/marc_profiling_job.rb
@@ -22,8 +22,8 @@ def add(item)
       @sample[j] = [@size_so_far, item] if @wanted > j
     end
 
-    def each
-      @sample.sort.each { |_idx, it| yield(it) }
+    def each(&block)
+      @sample.sort.each_value(&block)
     end
   end