diff --git a/lib/facter/pacemaker_node_name.rb b/lib/facter/pacemaker_node_name.rb
index 492626c4..1efedbfb 100644
--- a/lib/facter/pacemaker_node_name.rb
+++ b/lib/facter/pacemaker_node_name.rb
@@ -1,7 +1,9 @@
 require 'facter'
 
-Facter.add('pacemaker_node_name') do
-  setcode do
-    Facter::Core::Execution.exec 'crm_node -n'
+if not File.exists?('/.dockerenv')
+  Facter.add('pacemaker_node_name') do
+    setcode do
+      Facter::Core::Execution.exec 'crm_node -n'
+    end
   end
 end