diff --git a/app/controllers/stats_controller.rb b/app/controllers/stats_controller.rb
index cd29b1404..b2e22e7cc 100644
--- a/app/controllers/stats_controller.rb
+++ b/app/controllers/stats_controller.rb
@@ -5,7 +5,7 @@ class StatsController < ApplicationController
     dossiers = Dossier.where.not(:state => :draft)
 
     @procedures_30_days_flow = thirty_days_flow_hash(procedures)
-    @dossiers_30_days_flow = thirty_days_flow_hash(dossiers)
+    @dossiers_30_days_flow = thirty_days_flow_hash(dossiers, :initiated_at)
 
     @procedures_cumulative = cumulative_hash(procedures)
     @dossiers_cumulative = cumulative_hash(dossiers)