diff --git a/classes/cluster/virtual-mcp-mitaka-dvr-trusty/openstack/proxy.yml b/classes/cluster/virtual-mcp-mitaka-dvr-trusty/openstack/proxy.yml
index 5175695..d4feb00 100644
--- a/classes/cluster/virtual-mcp-mitaka-dvr-trusty/openstack/proxy.yml
+++ b/classes/cluster/virtual-mcp-mitaka-dvr-trusty/openstack/proxy.yml
@@ -20,3 +20,6 @@
           redirect:
             protocol: https
             host: $host
+        nginx_proxy_openstack_web:
+          proxy:
+            request_buffer: true
diff --git a/classes/cluster/virtual-mcp-mitaka-ovs-trusty/openstack/proxy.yml b/classes/cluster/virtual-mcp-mitaka-ovs-trusty/openstack/proxy.yml
index 761df7c..8a9f9ad 100644
--- a/classes/cluster/virtual-mcp-mitaka-ovs-trusty/openstack/proxy.yml
+++ b/classes/cluster/virtual-mcp-mitaka-ovs-trusty/openstack/proxy.yml
@@ -20,3 +20,6 @@
           redirect:
             protocol: https
             host: $host
+        nginx_proxy_openstack_web:
+          proxy:
+            request_buffer: true