diff --git a/root/sbin/e-smith/le_hook.sh b/root/sbin/e-smith/le_hook.sh
index 158af28..c73dc4e 100644
--- a/root/sbin/e-smith/le_hook.sh
+++ b/root/sbin/e-smith/le_hook.sh
@@ -1,17 +1,25 @@
 #!/bin/sh
 
-ACTION=shift
+ACTION=${1}
 
-if [ "$ACTION" == "deploy_cert" ]; then
+if [[ "$ACTION" == "deploy_cert" ]]; then
   # New cert
-  KEY=shift
-  CRT=shift
-  CHAIN=shift
+  DOM=${2}
+  KEY=${3}
+  CRT=${4}
+  CHAIN=${5}
   /sbin/e-smith/db configuration setprop modSSL key $KEY crt $CRT CertificateChainFile $CHAIN
   /sbin/e-smith/signal-event ssl-update
-elif [ "$ACTION" == "clean_challenge" ]; then
-  ALTNAME=shift
-  if [ "$ALTNAME" == "" ]; then
+  # Now revoke old certificates
+  CUR_CRT=$(readlink /home/e-smith/db/letsencrypt.sh/certs/$DOM/cert.pem)
+  for cert in $(find /home/e-smith/db/letsencrypt.sh/certs/$DOM/ -type f -name cert\*.pem -exec basename "{}" \;); do
+    if [[ "$cert" != "$CUR_CRT" ]]; then
+      /usr/bin/letsencrypt.sh -r /home/e-smith/db/letsencrypt.sh/certs/$DOM/$cert
+    fi
+  done
+elif [[ "$ACTION" == "clean_challenge" ]]; then
+  ALTNAME=${2}
+  if [[ "$ALTNAME" == "" ]]; then
     echo "Error while creating or renewing letsencrypt certificate" | mail -s "Letsencrypt error" admin
   fi
 fi