diff --git a/games/xye/files/patch-src_xye__script.cpp b/games/xye/files/patch-src_xye__script.cpp
new file mode 100644
index 000000000000..b95da5057445
--- /dev/null
+++ b/games/xye/files/patch-src_xye__script.cpp
@@ -0,0 +1,16 @@
+- fix compilation:
+- error: reference to 'lock' is ambiguous
+- note: candidate found by name lookup is 'lock'
+- note: candidate found by name lookup is 'std::lock'
+
+--- src/xye_script.cpp.orig	2012-09-15 20:21:06 UTC
++++ src/xye_script.cpp
+@@ -859,7 +859,7 @@ void Load_Lock(TiXmlElement* el)
+         el->QueryIntAttribute("x",&LastX);
+         el->QueryIntAttribute("y",&LastY);
+         blockcolor c=GetElementBlockColor(el);
+-    lock* bc=new lock(game::SquareN(LastX,LastY),c);
++    ::lock* bc=new ::lock(game::SquareN(LastX,LastY),c);
+ }
+ 
+ /* Load Key*/