diff --git a/.ebextensions/03_container_commands.config b/.ebextensions/03_container_commands.config
index 72fa89190..ef2b69451 100644
--- a/.ebextensions/03_container_commands.config
+++ b/.ebextensions/03_container_commands.config
@@ -24,14 +24,14 @@ container_commands:
   40_configure_cert:
     command: |
       certbot_command="/usr/local/bin/certbot-auto certonly --webroot --webroot-path /var/www/letsencrypt --debug --non-interactive --email ${LETSENCRYPT_EMAIL} --agree-tos --expand --keep-until-expiring"
-      for domain in $(echo ${LETSENCRYPT_DOMAINS} | sed "s/,/ /g")
+      for domain in $(echo ${LETSENCRYPT_DOMAIN} | sed "s/,/ /g")
       do
         certbot_command="$certbot_command --domains $domain"
       done
       eval $certbot_command
   50_link_cert:
     command: |
-      domain="$( cut -d ',' -f 1 <<< "${LETSENCRYPT_DOMAINS}" )";
+      domain="$( cut -d ',' -f 1 <<< "${LETSENCRYPT_DOMAIN}" )";
       if [ -d /etc/letsencrypt/live ]; then
         domain_folder_name="$(ls /etc/letsencrypt/live | sort -n | grep $domain | head -1)";
         if [ -d /etc/letsencrypt/live/${domain_folder_name} ]; then