diff --git a/lib/ohai/plugins/linux/lspci.rb b/lib/ohai/plugins/linux/lspci.rb
index f75a0f865..5cfe39db0 100644
--- a/lib/ohai/plugins/linux/lspci.rb
+++ b/lib/ohai/plugins/linux/lspci.rb
@@ -51,10 +51,14 @@ def standard_array(devices, d_id, tag, line)
 
       case dev[0]
       when "Device" # There are two different Device tags
-        if ( tmp = dev[1].match(/(#{hh}:#{hh}.#{h})/) )
+        if ( tmp = dev[1].match(/(#{hhhh}:)?(#{hh}:#{hh}\.#{h})/) )
           # We have a device id
           d_id = tmp[0] # From now on we will need this id
           devices[d_id] = Mash.new
+          if tmp[1]
+            # We have a root complex
+            devices[d_id]['root_port'] = tmp[1][0..-2]
+          end
         else
           standard_form(devices, d_id, hhhh, "device", dev[1])
         end