diff --git a/environments/services/masquerade-networks.yaml b/environments/services/masquerade-networks.yaml
index 3705ab19ae..04ff9a80b8 100644
--- a/environments/services/masquerade-networks.yaml
+++ b/environments/services/masquerade-networks.yaml
@@ -4,4 +4,4 @@ resource_registry:
   OS::TripleO::Services::MasqueradeNetworks: ../../puppet/services/masquerade-networks.yaml
 
 parameter_defaults:
-  MasqueradeNetworks: {'192.168.24.0/24': ['192.168.24.0/24']}
+  MasqueradeNetworks: {'192.168.24.0/24': ['192.168.24.0/24'], '10.0.0.0/24': ['10.0.0.0/24']}