diff --git a/certbotd.sh b/certbotd.sh
index 91de0c4..e8a25bb 100755
--- a/certbotd.sh
+++ b/certbotd.sh
@@ -192,6 +192,11 @@ case $1 in
 
           touch "${updated}"
         done
+
+  find /etc/letsencrypt/renewal/ -name "*-001.conf" | while read broken_renewal; do
+    not_ok "${broken_renewal} certbot found an inconsistency on certificates and decided to create a new one"
+    touch "${failed}"
+  done
 esac
 
 if test -f "${failed}" ; then