diff --git a/dicos/70_prometheus.xml b/dicos/70_prometheus.xml
index b407c78..edc0de9 100644
--- a/dicos/70_prometheus.xml
+++ b/dicos/70_prometheus.xml
@@ -86,6 +86,11 @@
 			<slave>prCliSonde</slave>
 		</group>
 
+		<group master='prOpenCli'>
+			<slave>prOpenCliIP</slave>
+			<slave>prOpenCliPort</slave>
+		</group>
+
 		<check name='valid_enum' target='prCliSonde'>
 			<param>['Node Exporter','Port']</param>
 		</check>