diff --git a/src/scripting.c b/src/scripting.c
index 7bc78425..65cbed62 100644
--- a/src/scripting.c
+++ b/src/scripting.c
@@ -184,7 +184,7 @@ int luaRedisCommand(lua_State *lua) {
     while(listLength(c->reply)) {
         robj *o = listNodeValue(listFirst(c->reply));
 
-        sdscatlen(reply,o->ptr,sdslen(o->ptr));
+        reply = sdscatlen(reply,o->ptr,sdslen(o->ptr));
         listDelNode(c->reply,listFirst(c->reply));
     }
     redisProtocolToLuaType(lua,reply);