diff --git a/fe-common/overlay/opt/frontend/config/common/haproxy_base.j2 b/fe-common/overlay/opt/frontend/config/common/haproxy_base.j2
index a1f8c58c..521ded45 100644
--- a/fe-common/overlay/opt/frontend/config/common/haproxy_base.j2
+++ b/fe-common/overlay/opt/frontend/config/common/haproxy_base.j2
@@ -61,7 +61,7 @@ backend LB
 {% block global_backends %}
 {% if letsencrypt_server is defined %}
 backend letsencrypt_{{ letsencrypt_server }}
-  server letsencrypt_{{ letsencrypt_server }} {{ letsencrypt_server }}:81
+  server letsencrypt_{{ letsencrypt_server }} {{ letsencrypt_server }}:80
 {% else %}
 # letsencrypt_server not defined
 {% endif %}