diff --git a/app/jobs/uri_collection_job.rb b/app/jobs/uri_collection_job.rb
index 44642c1f..a0b1181e 100644
--- a/app/jobs/uri_collection_job.rb
+++ b/app/jobs/uri_collection_job.rb
@@ -77,7 +77,7 @@ class UriCollectionJob < PeriodicJob
       # Acumular por mes y año
       reduce_rollup('host', beginning, :sum, **host_dimensions)
 
-      columns.each_key do |column|
+      columns.each_pair do |column, values|
         values.each do |value|
           column_dimensions = { host: host }
           column_dimensions[column] = value