diff --git a/defaults/main.yml b/defaults/main.yml
index 16d9897..0d2b15a 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -57,6 +57,7 @@ nginx_css_js_cache_expire: -1
 
 nginx_reverse_proxy: False
 nginx_define_x_real_ip: False
+nginx_proxy_define_header_host: True
 nginx_set_original_uri: True
 nginx_proxy_buffering: "on"
 nginx_proxy_redirect: "off"
diff --git a/templates/nginx-proxy-params.conf.j2 b/templates/nginx-proxy-params.conf.j2
index ea32c99..900ce90 100644
--- a/templates/nginx-proxy-params.conf.j2
+++ b/templates/nginx-proxy-params.conf.j2
@@ -3,14 +3,18 @@
 proxy_http_version 1.1;
 proxy_set_header Connection "";
 {% if haproxy_ips is defined %}
+{% if not nginx_proxy_define_header_host %}
 proxy_set_header Host $http_host;
+{% endif %}
 {% if nginx_behind_haproxy_settings %}
 proxy_set_header X-Real-IP $remote_addr;
 proxy_set_header X-Forwarded-Host {{ nginx_x_forwarded_host }};
 proxy_set_header X-Forwarded-Server $host;
 {% endif %}
 {% else %}
+{% if not nginx_proxy_define_header_host %}
 proxy_set_header Host $host;
+{% endif %}
 {% if nginx_define_x_real_ip %}
 proxy_set_header X-Real-IP $remote_addr;
 {% endif %}