diff --git a/environments/undercloud.yaml b/environments/undercloud.yaml
index 99745fefde..a7f54c5159 100644
--- a/environments/undercloud.yaml
+++ b/environments/undercloud.yaml
@@ -62,6 +62,7 @@ parameter_defaults:
   NeutronDhcpAgentsPerNetwork: 2
   HeatConvergenceEngine: true
   HeatCorsAllowedOrigin: '*'
+  HeatMaxNestedStackDepth: 7
   HeatMaxResourcesPerStack: -1
   HeatMaxJsonBodySize: 4194304
   HeatReauthenticationAuthMethod: 'trusts'