diff --git a/plugins/varnish4/varnish4_ b/plugins/varnish4/varnish4_
index 60df9de3..70b0f67d 100644
--- a/plugins/varnish4/varnish4_
+++ b/plugins/varnish4/varnish4_
@@ -238,7 +238,8 @@ my %ASPECTS = (
 			'client_req' => {
 				'type' => 'DERIVE',
 				'min' => '0',
-				'graph' => 'off'
+				'graph' => 'off',
+				'rpn' => [ 'cache_hit' , 'cache_miss' , 'cache_hitpass' , '+' , '+' ]
 			},
 			'cache_hit' => {
 				'type' => 'DERIVE',