diff --git a/lib/astute.rb b/lib/astute.rb
index 1101b917..e9a4efdd 100644
--- a/lib/astute.rb
+++ b/lib/astute.rb
@@ -19,6 +19,7 @@ require 'logger'
 require 'shellwords'
 
 require 'astute/ext/exception'
+require 'astute/ext/deep_copy'
 require 'astute/config'
 require 'astute/logparser'
 require 'astute/orchestrator'
diff --git a/lib/astute/deployment_engine/nailyfact.rb b/lib/astute/deployment_engine/nailyfact.rb
index 91f7492d..a889ad1b 100644
--- a/lib/astute/deployment_engine/nailyfact.rb
+++ b/lib/astute/deployment_engine/nailyfact.rb
@@ -57,7 +57,7 @@ class Astute::DeploymentEngine::NailyFact < Astute::DeploymentEngine
       attrs_to_puppet['fixed_interface'] = get_fixed_interface(node)
     end
 
-    attrs_to_puppet.merge!(attrs)
+    attrs_to_puppet.merge!(deep_copy(attrs))
 
     attrs_to_puppet.each do |k, v|
       unless v.is_a?(String) || v.is_a?(Integer)
diff --git a/lib/astute/ext/deep_copy.rb b/lib/astute/ext/deep_copy.rb
new file mode 100644
index 00000000..2e805820
--- /dev/null
+++ b/lib/astute/ext/deep_copy.rb
@@ -0,0 +1,18 @@
+#    Copyright 2013 Mirantis, Inc.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+
+def deep_copy(data)
+  Marshal.load(Marshal.dump(data))
+end