diff --git a/roles/nginx/site/templates/site.conf.j2 b/roles/nginx/site/templates/site.conf.j2
index 62b390d..0d70ce2 100644
--- a/roles/nginx/site/templates/site.conf.j2
+++ b/roles/nginx/site/templates/site.conf.j2
@@ -27,6 +27,8 @@ server {
 {% elif proxy is defined %}
     location / {
 {%  if proxy is not string %}
+        # https://trac.nginx.org/nginx/ticket/1307
+        proxy_ssl_verify off;
         proxy_pass https://upstream_{{ site }};
 {%  else %}
         proxy_pass {{ proxy }};