diff --git a/lib/facter/docker.rb b/lib/facter/docker.rb
index a5302e47..bae3b6bc 100644
--- a/lib/facter/docker.rb
+++ b/lib/facter/docker.rb
@@ -139,10 +139,10 @@ def interfaces
           inspect = JSON.parse(Facter::Core::Execution.execute("#{docker_command} network inspect #{network}", timeout: 90))
           docker['network'][network] = inspect[0]
           network_id = if docker['network'][network]['Id'].nil?
-            docker['network'][network]['id'][0..11]
-          else
-            docker['network'][network]['Id'][0..11]
-          end
+                         docker['network'][network]['id'][0..11]
+                       else
+                         docker['network'][network]['Id'][0..11]
+                       end
           interfaces.each do |iface|
             docker['network']['managed_interfaces'][iface] = network if %r{#{network_id}}.match?(iface)
           end