From 929d83675683f4b6268acb15543067ee517804d3 Mon Sep 17 00:00:00 2001
From: Alex Gravely <tcbskater@hotmail.com>
Date: Mon, 29 Oct 2018 11:24:32 -0400
Subject: [PATCH] Concat RoleIds if already exists.

---
 src/Discord.Net.Rest/Entities/Guilds/GuildHelper.cs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/Discord.Net.Rest/Entities/Guilds/GuildHelper.cs b/src/Discord.Net.Rest/Entities/Guilds/GuildHelper.cs
index bbd09d0ed..39905d650 100644
--- a/src/Discord.Net.Rest/Entities/Guilds/GuildHelper.cs
+++ b/src/Discord.Net.Rest/Entities/Guilds/GuildHelper.cs
@@ -264,8 +264,14 @@ namespace Discord.Rest
             func?.Invoke(args);
 
             if (args.Roles.IsSpecified)
-                args.RoleIds = Optional.Create(args.Roles.Value.Select(r => r.Id));
+            {
+                var ids = args.Roles.Value.Select(r => r.Id);
 
+                if (args.RoleIds.IsSpecified)
+                    args.RoleIds.Value.Concat(args.Roles.Value.Select(r => r.Id));
+                else
+                    args.RoleIds = Optional.Create(args.Roles.Value.Select(r => r.Id));
+            }
             var apiArgs = new AddGuildMemberParams
             {
                 AccessToken = accessToken,