diff --git a/images/router/haproxy/conf/haproxy-config.template b/images/router/haproxy/conf/haproxy-config.template
index 2cdecb2a1..6b1bf9642 100644
--- a/images/router/haproxy/conf/haproxy-config.template
+++ b/images/router/haproxy/conf/haproxy-config.template
@@ -129,7 +129,7 @@ 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