diff --git a/etc/crontab b/etc/crontab
index f21495e..b8ae544 100644
--- a/etc/crontab
+++ b/etc/crontab
@@ -1,4 +1,5 @@
+SHELL=/bin/bash
 GHLISTER_ROOT=~/src/swh-lister-github
 
 # m h  dom mon dow   command
   0 8  *   *   *     PYTHONPATH=$GHLISTER_ROOT $GHLISTER_ROOT/bin/ghlister catchup >> ~/.cache/swh/lister-github/$(date +\%Y\%m\%d).log 2>&1