diff --git a/haproxy/files/haproxy.cfg b/haproxy/files/haproxy.cfg
index 34be63c..e423291 100644
--- a/haproxy/files/haproxy.cfg
+++ b/haproxy/files/haproxy.cfg
@@ -130,7 +130,9 @@
   balance {{ listen.get('balance', 'roundrobin') }}
   option  httplog
   {%- elif listen.get('type', None) == 'openstack-service' %}
-  option  httpchk
+  # NOTE(vsaienko): by default haproxy uses OPTIONS method when doing check
+  # This is not guaranteed by openstack APIs, change it to GET instead
+  option  httpchk GET /
   option  httplog
   option  httpclose
   {%- elif listen.get('type', None) == 'heat' %}