diff --git a/n/nextcloud-server/nextcloud-news-updater.rb b/n/nextcloud-server/nextcloud-news-updater.rb
old mode 100644
new mode 100755
index 4084960a..cbc68c28
--- a/n/nextcloud-server/nextcloud-news-updater.rb
+++ b/n/nextcloud-server/nextcloud-news-updater.rb
@@ -2,7 +2,8 @@
 require "json"
 require "thwait"
 
-NC_ROOT="/srv/www/vhosts/nextcloud-server/htdocs"
+NC_ROOT = "/srv/www/vhosts/nextcloud-server/htdocs".freeze
+NB_THREADS = 2
 
 def occ( command )
   `php -f #{NC_ROOT}/occ #{command}`
@@ -10,11 +11,16 @@ end
 
 occ( 'news:updater:before-update' )
 
-ThreadsWait.all_waits( JSON.parse( occ( 'news:updater:all-feeds' ) )["feeds"]
-  .map do |feed|
-  Thread.new do
-    occ( "news:updater:update-feed #{feed['id']} #{feed['userId']}" )
-  end
-end )
+feeds = JSON.parse( occ( 'news:updater:all-feeds' ) )["feeds"]
+
+slices_size = (feeds.length / NB_THREADS).floor
+
+ThreadsWait.all_waits( feeds.each_slice( slices_size ).to_a.map do |subfeeds|
+                         Thread.new do
+                           subfeeds.each do |feed|
+                             occ( "news:updater:update-feed #{feed['id']} #{feed['userId']}" )
+                           end
+                         end
+                       end )
 
 occ( 'news:updater:after-update' )