diff --git a/tfjm.cron b/tfjm.cron
index 5a289c5..9337d36 100644
--- a/tfjm.cron
+++ b/tfjm.cron
@@ -11,7 +11,7 @@
 */2     *       *       *       *       cd /code && python manage.py fix_sympa_lists &> /dev/null
 
 # Update matrix channels
-03      *       *       *       *       cd /code && python manage.py fix_matrix_channels &> /dev/null
+03      */6     *       *       *       cd /code && python manage.py fix_matrix_channels &> /dev/null
 
 # Check payments from Hello Asso
 */6     *       *       *       *       cd /code && python manage.py check_hello_asso &> /dev/null