diff --git a/lib/lxc_collector.rb b/lib/lxc_collector.rb
index c605e4f..89e25a1 100755
--- a/lib/lxc_collector.rb
+++ b/lib/lxc_collector.rb
@@ -3,6 +3,7 @@
 require 'pathname'
 require 'prometheus/client'
 require 'lxc'
+require 'ostruct'
 
 require_relative 'ns'
 require_relative 'file-statfs'