diff --git a/CHANGELOG.md b/CHANGELOG.md
index f30ef9d68..7e888fb0b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog Fab-manager
 
+## next release
+
+- Fix a bug: fix all failing tasks of rake task file chain.rake
+
 ## v6.2.0 2023 October 13
 
 - Fix a bug: fix ReservationReminderWorker, was sending reservation reminder to users with a event reservation not validated by admin + adds tests for all scenarios
diff --git a/lib/tasks/fablab/chain.rake b/lib/tasks/fablab/chain.rake
index 0a93a766a..1e0f2b7fb 100644
--- a/lib/tasks/fablab/chain.rake
+++ b/lib/tasks/fablab/chain.rake
@@ -19,11 +19,9 @@ namespace :fablab do
 
     desc 'assign all footprints to existing Invoice records'
     task invoices: :environment do
-      if Invoice.where.not(footprint: nil).count.positive?
-        print 'WARNING: Footprints were already generated. Regenerate? (y/n) '
-        confirm = $stdin.gets.chomp
-        next unless confirm == 'y'
-      end
+      print 'Are you sure you want to regenerate footprints? (y/n) '
+      confirm = $stdin.gets.chomp
+      next unless confirm == 'y'
       chain_invoices
     end
 
@@ -40,11 +38,9 @@ namespace :fablab do
 
     desc 'assign all footprints to existing InvoiceItem records'
     task invoices_items: :environment do
-      if InvoiceItem.where.not(footprint: nil).count.positive?
-        print 'WARNING: Footprints were already generated. Regenerate? (y/n) '
-        confirm = $stdin.gets.chomp
-        next unless confirm == 'y'
-      end
+      print 'Are you sure you want to regenerate footprints? (y/n) '
+      confirm = $stdin.gets.chomp
+      next unless confirm == 'y'
       chain_invoice_items
     end
 
@@ -61,11 +57,9 @@ namespace :fablab do
 
     desc 'assign all footprints to existing HistoryValue records'
     task history_values: :environment do
-      if HistoryValue.where.not(footprint: nil).count.positive?
-        print 'WARNING: Footprints were already generated. Regenerate? (y/n) '
-        confirm = $stdin.gets.chomp
-        next unless confirm == 'y'
-      end
+      print 'Are you sure you want to regenerate footprints? (y/n) '
+      confirm = $stdin.gets.chomp
+      next unless confirm == 'y'
       chain_history_values
     end
 
@@ -75,11 +69,9 @@ namespace :fablab do
 
     desc 'assign all footprints to existing PaymentSchedule records'
     task payment_schedule: :environment do
-      if PaymentSchedule.where.not(footprint: nil).count.positive?
-        print 'WARNING: Footprints were already generated. Regenerate? (y/n) '
-        confirm = $stdin.gets.chomp
-        next unless confirm == 'y'
-      end
+      print 'Are you sure you want to regenerate footprints? (y/n) '
+      confirm = $stdin.gets.chomp
+      next unless confirm == 'y'
       chain_payment_schedules
     end
 
@@ -96,11 +88,9 @@ namespace :fablab do
 
     desc 'assign all footprints to existing PaymentScheduleItem records'
     task payment_schedule_item: :environment do
-      if PaymentScheduleItem.where.not(footprint: nil).count.positive?
-        print 'WARNING: Footprints were already generated. Regenerate? (y/n) '
-        confirm = $stdin.gets.chomp
-        next unless confirm == 'y'
-      end
+      print 'Are you sure you want to regenerate footprints? (y/n) '
+      confirm = $stdin.gets.chomp
+      next unless confirm == 'y'
       chain_payment_schedules_items
     end
 
@@ -117,11 +107,9 @@ namespace :fablab do
 
     desc 'assign all footprints to existing PaymentScheduleObject records'
     task payment_schedule_object: :environment do
-      if PaymentScheduleObject.where.not(footprint: nil).count.positive?
-        print 'WARNING: Footprints were already generated. Regenerate? (y/n) '
-        confirm = $stdin.gets.chomp
-        next unless confirm == 'y'
-      end
+      print 'Are you sure you want to regenerate footprints? (y/n) '
+      confirm = $stdin.gets.chomp
+      next unless confirm == 'y'
       chain_payment_schedules_objects
     end