diff --git a/classes/cluster/virtual-offline-ssl/openstack/control.yml b/classes/cluster/virtual-offline-ssl/openstack/control.yml
index f2bddcc..c085eab 100644
--- a/classes/cluster/virtual-offline-ssl/openstack/control.yml
+++ b/classes/cluster/virtual-offline-ssl/openstack/control.yml
@@ -223,6 +223,11 @@
           address: 127.0.0.1
       identity:
         protocol: https
+      # Since we using self signed cert not present in images, we have to
+      # use insecure option when sending signal to wait condition from instance.
+      clients:
+        heat:
+          insecure: true
   neutron:
     server:
       bind: