diff --git a/app/models/report.rb b/app/models/report.rb
index 87452154cb4..ff1372d7bc8 100644
--- a/app/models/report.rb
+++ b/app/models/report.rb
@@ -287,7 +287,7 @@ class Report
     report.higher_is_better = false
     report.data = []
     Topic.time_to_first_response_per_day(report.start_date, report.end_date, category_id: report.category_id).each do |r|
-      report.data << { x: Date.parse(r["date"]), y: r["hours"].to_f.round(2) }
+      report.data << { x: r["date"], y: r["hours"].to_f.round(2) }
     end
     report.total = Topic.time_to_first_response_total(category_id: report.category_id)
     report.prev30Days = Topic.time_to_first_response_total(start_date: report.start_date - 30.days, end_date: report.start_date, category_id: report.category_id)
@@ -296,7 +296,7 @@ class Report
   def self.report_topics_with_no_response(report)
     report.data = []
     Topic.with_no_response_per_day(report.start_date, report.end_date, report.category_id).each do |r|
-      report.data << { x: Date.parse(r["date"]), y: r["count"].to_i }
+      report.data << { x: r["date"], y: r["count"].to_i }
     end
     report.total = Topic.with_no_response_total(category_id: report.category_id)
     report.prev30Days = Topic.with_no_response_total(start_date: report.start_date - 30.days, end_date: report.start_date, category_id: report.category_id)