diff --git a/transformers/member.ts b/transformers/member.ts
index a30da4b2d..48b8bcdb0 100644
--- a/transformers/member.ts
+++ b/transformers/member.ts
@@ -26,7 +26,7 @@ export function transformMember(bot: Bot, payload: DiscordMember, guildId: bigin
     id: userId,
     guildId,
     nick: payload.nick ?? undefined,
-    roles: payload.roles.map((id) => BigInt(id)),
+    roles: payload.roles.map((id) => bot.transformers.snowflake(id)),
     joinedAt: Date.parse(payload.joined_at),
     premiumSince: payload.premium_since ? Date.parse(payload.premium_since) : undefined,
     avatar: payload.avatar ? bot.utils.iconHashToBigInt(payload.avatar) : undefined,
diff --git a/transformers/message.ts b/transformers/message.ts
index eaded7a16..4a0c421a8 100644
--- a/transformers/message.ts
+++ b/transformers/message.ts
@@ -43,7 +43,7 @@ export function transformMessage(bot: Bot, payload: DiscordMessage) {
             id: userId,
             guildId,
             nick: payload.interaction.member.nick ?? undefined,
-            roles: payload.interaction.member.roles?.map((id) => BigInt(id)),
+            roles: payload.interaction.member.roles?.map((id) => bot.transformers.snowflake(id)),
             joinedAt: payload.interaction.member.joined_at
               ? Date.parse(payload.interaction.member.joined_at)
               : undefined,