diff --git a/src/gui/luainstance.cpp b/src/gui/luainstance.cpp
index 54bdb4eb2..e27bf7e12 100644
--- a/src/gui/luainstance.cpp
+++ b/src/gui/luainstance.cpp
@@ -542,6 +542,7 @@ void CLuaInstance::abortScript()
 
 const luaL_Reg CLuaInstance::methods[] =
 {
+	{ "GetRevision", CLuaInstance::GetRevision },
 	{ "PaintBox", CLuaInstance::PaintBox },
 	{ "RenderString", CLuaInstance::RenderString },
 	{ "PaintIcon", CLuaInstance::PaintIcon },
@@ -646,6 +647,16 @@ int CLuaInstance::NewWindow(lua_State *L)
 	return 1;
 }
 
+int CLuaInstance::GetRevision(lua_State *L)
+{
+	unsigned int ret = 0;
+#if HAVE_COOL_HARDWARE
+	ret = cs_get_revision();
+#endif
+	lua_pushinteger(L, ret);
+	return 1;
+}
+
 int CLuaInstance::PaintBox(lua_State *L)
 {
 	int count = lua_gettop(L);
diff --git a/src/gui/luainstance.h b/src/gui/luainstance.h
index ef7006ac3..02fd991b5 100644
--- a/src/gui/luainstance.h
+++ b/src/gui/luainstance.h
@@ -34,7 +34,7 @@ extern "C" {
 #include <vector>
 
 #define LUA_API_VERSION_MAJOR 1
-#define LUA_API_VERSION_MINOR 11
+#define LUA_API_VERSION_MINOR 12
 
 /* this is stored as userdata in the lua_State */
 struct CLuaData
@@ -215,6 +215,7 @@ private:
 	static void paramDeprecated(lua_State *L, const char* oldParam, const char* newParam);
 	static lua_Unsigned checkMagicMask(lua_Unsigned &col);
 
+	static int GetRevision(lua_State *L);
 	static int NewWindow(lua_State *L);
 	static int PaintBox(lua_State *L);
 	static int PaintIcon(lua_State *L);