diff --git a/.fabmanager-version b/.fabmanager-version
index e128db9d6..08e8b22de 100644
--- a/.fabmanager-version
+++ b/.fabmanager-version
@@ -1 +1 @@
-2.5.12
\ No newline at end of file
+2.5.13
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 626357ad7..ce595d0b9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,9 +1,13 @@
 # Changelog Fab Manager
 
+## v2.5.13 2017 September 11
+
+- Fix a bug: ActiveRecord::RecordNotFound when running rake task fix:recursive_events_over_DST with recursive events which the initial event was deleted 
+
 ## v2.5.12 2017 September 11
 
 - Fix a bug: Long words overflow from homepage's events blocks
-- Fix a bug: ActiveRecord::RecordNotFound when running rake task fix:recursive_events_over_DST
+- Fix a bug: ActiveRecord::RecordNotFound when running rake task fix:recursive_events_over_DST with non-recursive events 
 
 ## v2.5.11 2017 September 7
 
diff --git a/lib/tasks/fablab/fix.rake b/lib/tasks/fablab/fix.rake
index ef358a502..4b66e78aa 100644
--- a/lib/tasks/fablab/fix.rake
+++ b/lib/tasks/fablab/fix.rake
@@ -60,11 +60,12 @@ namespace :fablab do
 
     task recursive_events_over_DST: :environment do
       include ApplicationHelper
+      failed_ids = []
       groups = Event.group(:recurrence_id).count
       groups.keys.each do |recurrent_event_id|
         if recurrent_event_id
-          initial_event = Event.find(recurrent_event_id)
-          if initial_event
+          begin
+            initial_event = Event.find(recurrent_event_id)
             Event.where(recurrence_id: recurrent_event_id).where.not(id: recurrent_event_id).each do |event|
               availability = event.availability
               if initial_event.availability.start_at.hour != availability.start_at.hour
@@ -73,11 +74,16 @@ namespace :fablab do
                 availability.save!
               end
             end
-          else
-            puts "Error: The initial event (id: #{recurrent_event_id}) of the recurrence was not found. You may have to correct events manually"
+          rescue ActiveRecord::RecordNotFound
+            failed_ids.push recurrent_event_id
           end
         end
       end
+
+      if failed_ids.size > 0
+        puts "WARNING: The events with IDs #{failed_ids} were not found.\n These were initial events of a recurrence.\n\n You may have to correct the following events manually (IDs): "
+        puts "#{Events.where(recurrence_id: failed_ids).map(&:id)}"
+      end
     end
   end
 end