diff --git a/src/pre_generated-zmq.nobj.c b/src/pre_generated-zmq.nobj.c
index 970605c..6cf499b 100644
--- a/src/pre_generated-zmq.nobj.c
+++ b/src/pre_generated-zmq.nobj.c
@@ -936,21 +936,37 @@ static const char zmq_ffi_lua_code[] = "local ffi=require\"ffi\"\n"
 "local p_config = package.config\n"
 "local p_cpath = package.cpath\n"
 "\n"
-"local function ffi_load_cmodule(name, global)\n"
-"	local dir_sep = p_config:sub(1,1)\n"
-"	local path_sep = p_config:sub(3,3)\n"
-"	local path_mark = p_config:sub(5,5)\n"
-"	local path_match = \"([^\" .. path_sep .. \"]*)\" .. path_sep\n"
-"	-- convert dotted name to directory path.\n"
-"	name = name:gsub('%.', dir_sep)\n"
-"	-- try each path in search path.\n"
-"	for path in p_cpath:gmatch(path_match) do\n"
-"		local fname = path:gsub(path_mark, name)\n"
-"		local C, err = ffi_safe_load(fname, global)\n"
-"		-- return opened library\n"
-"		if C then return C end\n"
+"local ffi_load_cmodule\n"
+"\n"
+"-- try to detect luvit.\n"
+"if p_config == nil and p_cpath == nil then\n"
+"	ffi_load_cmodule = function(name, global)\n"
+"		for path,module in pairs(package.loaded) do\n"
+"			if type(module) == 'string' and path:match(\"zmq\") then\n"
+"				local C, err = ffi_safe_load(path .. '.luvit', global)\n"
+"				-- return opened library\n"
+"				if C then return C end\n"
+"			end\n"
+"		end\n"
+"		error(\"Failed to find: \" .. name)\n"
+"	end\n"
+"else\n"
+"	ffi_load_cmodule = function(name, global)\n"
+"		local dir_sep = p_config:sub(1,1)\n"
+"		local path_sep = p_config:sub(3,3)\n"
+"		local path_mark = p_config:sub(5,5)\n"
+"		local path_match = \"([^\" .. path_sep .. \"]*)\" .. path_sep\n"
+"		-- convert dotted name to directory path.\n"
+"		name = name:gsub('%.', dir_sep)\n"
+"		-- try each path in search path.\n"
+"		for path in p_cpath:gmatch(path_match) do\n"
+"			local fname = path:gsub(path_mark, name)\n"
+"			local C, err = ffi_safe_load(fname, global)\n"
+"			-- return opened library\n"
+"			if C then return C end\n"
+"		end\n"
+"		error(\"Failed to find: \" .. name)\n"
 "	end\n"
-"	error(\"Failed to find: \" .. name)\n"
 "end\n"
 "\n"
 "local _M, _priv, udata_new = ...\n"