diff --git a/lualib/redis.lua b/lualib/redis.lua
index 482a9aba..f48addd1 100644
--- a/lualib/redis.lua
+++ b/lualib/redis.lua
@@ -20,8 +20,7 @@ local meta = {
 
 function redis.connect(dbname)
 	local db_conf   =   name[dbname]
-	local fd = socket.open(db_conf.host, db_conf.port or 6379)
-	assert(fd)
+	local fd = assert(socket.open(db_conf.host, db_conf.port or 6379))
 	local r = setmetatable( { __handle = fd, __mode = false }, meta )
 	if db_conf.db ~= nil then
 		r:select(db_conf.db)