diff --git a/addons/project_retro_planning/test/deadline_change.yml b/addons/project_retro_planning/test/deadline_change.yml
index 0778c5c883b..717dccd5d97 100644
--- a/addons/project_retro_planning/test/deadline_change.yml
+++ b/addons/project_retro_planning/test/deadline_change.yml
@@ -3,7 +3,7 @@
 - 
   !record {model: project.project, id: project_project_retroplanning0}:
     company_id: base.main_company
-    date: '2010-06-11'
+    date: '2010-06-10'
     name: Retro Planning