diff --git a/tripleo_common/constants.py b/tripleo_common/constants.py
index 9c8fa87a7..c9388271c 100644
--- a/tripleo_common/constants.py
+++ b/tripleo_common/constants.py
@@ -83,6 +83,7 @@ PASSWORD_PARAMETER_NAMES = (
     'HeatPassword',
     'HeatStackDomainAdminPassword',
     'IronicPassword',
+    'LibvirtTLSPassword',
     'KeystoneCredential0',
     'KeystoneCredential1',
     'KeystoneFernetKey0',
diff --git a/tripleo_common/tests/actions/test_parameters.py b/tripleo_common/tests/actions/test_parameters.py
index c1837d178..7f25b969e 100644
--- a/tripleo_common/tests/actions/test_parameters.py
+++ b/tripleo_common/tests/actions/test_parameters.py
@@ -140,6 +140,7 @@ _EXISTING_PASSWORDS = {
         'private_key': 'private_key',
         'public_key': 'public_key'
         },
+    'LibvirtTLSPassword': 'xCdt9yeamKz8Fb6EGba9u82XU',
 }