diff --git a/certbotd.sh b/certbotd.sh
index 88dd056..8ec71dd 100755
--- a/certbotd.sh
+++ b/certbotd.sh
@@ -50,8 +50,14 @@ set -E
 case $1 in
   # Renew certificates, trust in certbot's algorithms
   renew)
-    /usr/bin/certbot renew --quiet --agree-tos || true
-    touch "${updated}"
+    if /usr/bin/certbot renew --quiet --agree-tos ; then
+      ok "Renewed certificates"
+      touch "${updated}"
+    else
+      ret=$?
+      not_ok "Certificate renewal failed"
+      exit $ret
+    fi
     ;;
   bootstrap)
     test -d "/etc/letsencrypt/live/${SUTTY}" && exit 0