diff --git a/images/router/haproxy/conf/haproxy-config.template b/images/router/haproxy/conf/haproxy-config.template
index 947db56a3..9b8c4fd05 100644
--- a/images/router/haproxy/conf/haproxy-config.template
+++ b/images/router/haproxy/conf/haproxy-config.template
@@ -140,7 +140,7 @@ defaults
   compression type {{env "ROUTER_COMPRESSION_MIME" "text/html text/plain text/css"}}
 {{- end }}
 
-  option http-use-htx
+  {{ if isTrue $router_disable_http2 }}no {{ end }}option http-use-htx
 
 {{ if (gt .StatsPort -1) }}
 listen stats