diff --git a/app/models/timeable_visit_record.rb b/app/models/timeable_visit_record.rb
index 974e785e7..8411ddf66 100644
--- a/app/models/timeable_visit_record.rb
+++ b/app/models/timeable_visit_record.rb
@@ -20,7 +20,7 @@ class TimeableVisitRecord < ApplicationRecord
   belongs_to :project
 
   def self.build(project_id)
-    week = TimeableVisitRecord.find_or_create_by!(time: Date.today.cweek, project_id: project_id)
+    week = TimeableVisitRecord.find_or_create_by!(time: Date.today.strftime("%Y-%W"), project_id: project_id)
     month = TimeableVisitRecord.find_or_create_by!(time: Date.today.strftime("%Y%m"), project_id: project_id)
 
     return week, month