diff --git a/environments/services/masquerade-networks.yaml b/environments/services/masquerade-networks.yaml
index 04ff9a80b8..6ebd15b0bf 100644
--- a/environments/services/masquerade-networks.yaml
+++ b/environments/services/masquerade-networks.yaml
@@ -2,6 +2,3 @@
 
 resource_registry:
   OS::TripleO::Services::MasqueradeNetworks: ../../puppet/services/masquerade-networks.yaml
-
-parameter_defaults:
-  MasqueradeNetworks: {'192.168.24.0/24': ['192.168.24.0/24'], '10.0.0.0/24': ['10.0.0.0/24']}
diff --git a/releasenotes/notes/fix-default-masquerade-f91bfbcfe8a2a87d.yaml b/releasenotes/notes/fix-default-masquerade-f91bfbcfe8a2a87d.yaml
new file mode 100644
index 0000000000..384ebb7ab6
--- /dev/null
+++ b/releasenotes/notes/fix-default-masquerade-f91bfbcfe8a2a87d.yaml
@@ -0,0 +1,7 @@
+---
+fixes:
+  - |
+    When masqurading was eneabled on the Undercloud the networks
+    ``192.168.24.0/24`` and ``10.0.0.0/24`` was always masqueraded.
+    (See `bug: 1794729 <https://bugs.launchpad.net/tripleo/+bug/1794729>`_.)
+