diff --git a/certbot.sh b/certbot.sh
index 175ff1b..a296938 100644
--- a/certbot.sh
+++ b/certbot.sh
@@ -36,16 +36,19 @@ case $1 in
           domain="$(echo "${name}" | sed "s/[^\.]$/&.${SUTTY}/")"
           domain="${domain%.}"
 
-          # Skip already existing domains
-          test -d "/etc/letsencrypt/live/${domain}" && continue
+          # Generate a certificate for www also
+          for d in ${domain} www.${domain}; do
+            # Skip already existing domains
+            test -d "/etc/letsencrypt/live/${d}" && continue
 
-          # Get the certificate for the domain, the webserver will need
-          # access to this directory
-          /usr/bin/certbot certonly --email "certbot@${SUTTY}" \
-                                    --webroot \
-                                    --agree-tos \
-                                    --webroot-path /var/lib/letsencrypt \
-                                    -d "${domain}"
+            # Get the certificate for the domain, the webserver will need
+            # access to this directory
+            /usr/bin/certbot certonly --email "certbot@${SUTTY}" \
+                                      --webroot \
+                                      --agree-tos \
+                                      --webroot-path /var/lib/letsencrypt \
+                                      -d "${d}"
+          done
         done
 
     # Fix permissions, users in group ssl have read access