diff --git a/lib/facter/sudo.rb b/lib/facter/sudo.rb
index d25124c..4b85e03 100644
--- a/lib/facter/sudo.rb
+++ b/lib/facter/sudo.rb
@@ -1,6 +1,6 @@
 output = %x{sudo -V 2>&1}
 
-if $?.exitstatus and output.match(/Sudo version ([\d\.]+)/)
+if $?.exitstatus and output.match(/[Ss]udo[ \-][Vv]ersion ([\d\.]+)/)
 
   Facter.add("sudoversion") do
     setcode do