diff --git a/src/handlers/channel.ts b/src/handlers/channel.ts
index 4545155e8..fedba0bd1 100644
--- a/src/handlers/channel.ts
+++ b/src/handlers/channel.ts
@@ -13,7 +13,7 @@ import {
   MessageContent,
 } from "../types/channel.ts";
 import { Errors } from "../types/errors.ts";
-import { RawOverwrite } from "../types/guild.ts";
+import { PermissionOverwrite } from "../types/guild.ts";
 import { MessageCreateOptions } from "../types/message.ts";
 import { Permissions } from "../types/permission.ts";
 import { endpoints } from "../utils/constants.ts";
@@ -23,7 +23,7 @@ import { botHasChannelPermissions } from "../utils/permissions.ts";
 export function channelOverwriteHasPermission(
   guildID: string,
   id: string,
-  overwrites: RawOverwrite[],
+  overwrites: PermissionOverwrite[],
   permissions: Permissions[],
 ) {
   const overwrite = overwrites.find((perm) => perm.id === id) ||
@@ -31,8 +31,10 @@ export function channelOverwriteHasPermission(
 
   return permissions.every((perm) => {
     if (overwrite) {
-      if (BigInt(overwrite.deny) & BigInt(perm)) return false;
-      if (BigInt(overwrite.allow) & BigInt(perm)) return true;
+      const allowBits = calculateBits(overwrite.allow);
+      const denyBits = calculateBits(overwrite.deny);
+      if (BigInt(denyBits) & BigInt(perm)) return false;
+      if (BigInt(allowBits) & BigInt(perm)) return true;
     }
     return false;
   });
diff --git a/src/handlers/guild.ts b/src/handlers/guild.ts
index bb96903fd..ebcdb7e6e 100644
--- a/src/handlers/guild.ts
+++ b/src/handlers/guild.ts
@@ -116,7 +116,7 @@ export async function createGuildChannel(
     (await RequestManager.post(endpoints.GUILD_CHANNELS(guild.id), {
       ...options,
       name,
-      permission_overwrites: options?.permission_overwrites?.map((perm) => ({
+      permission_overwrites: options?.permissionOverwrites?.map((perm) => ({
         ...perm,
 
         allow: perm.allow.reduce(
diff --git a/src/structures/channel.ts b/src/structures/channel.ts
index acc29ebb4..b36662d2b 100644
--- a/src/structures/channel.ts
+++ b/src/structures/channel.ts
@@ -1,5 +1,6 @@
 import { cacheHandlers } from "../controllers/cache.ts";
 import { ChannelCreatePayload } from "../types/channel.ts";
+import { PermissionOverwrite } from "../types/guild.ts";
 import { Unpromise } from "../types/misc.ts";
 import { calculatePermissions } from "../utils/permissions.ts";
 
@@ -14,6 +15,7 @@ export async function createChannel(
     rate_limit_per_user: rateLimitPerUser,
     parent_id: parentID,
     last_pin_timestamp: lastPinTimestamp,
+    permission_overwrites,
     ...rest
   } = data;
 
@@ -32,13 +34,14 @@ export async function createChannel(
     /** The last time when a message was pinned in this channel */
     lastPinTimestamp,
     /** The permission overwrites for this channel */
-    permissions: data.permission_overwrites
-      ? data.permission_overwrites.map((perm) => ({
-        ...perm,
-        allow: calculatePermissions(BigInt(perm.allow)),
-        deny: calculatePermissions(BigInt(perm.deny)),
-      }))
-      : [],
+    permissionOverwrites:
+      (data.permission_overwrites
+        ? data.permission_overwrites.map((perm) => ({
+          ...perm,
+          allow: calculatePermissions(BigInt(perm.allow)),
+          deny: calculatePermissions(BigInt(perm.deny)),
+        }))
+        : []) as PermissionOverwrite[],
     /** Whether this channel is nsfw or not */
     nsfw: data.nsfw || false,
     /** The mention of the channel */
diff --git a/src/types/guild.ts b/src/types/guild.ts
index 905bee298..5addee40d 100644
--- a/src/types/guild.ts
+++ b/src/types/guild.ts
@@ -474,6 +474,12 @@ export interface RawOverwrite {
   deny: number;
 }
 
+export interface PermissionOverwrite
+  extends Omit<RawOverwrite, "allow" | "deny"> {
+  allow: Permission[];
+  deny: Permission[];
+}
+
 export interface ChannelCreateOptions {
   /** The type of the channel */
   type?: ChannelTypes;
@@ -488,7 +494,7 @@ export interface ChannelCreateOptions {
   /** The sorting position of the channel */
   position?: number;
   /** The channel's permission overwrites */
-  permission_overwrites?: Overwrite[];
+  permissionOverwrites?: Overwrite[];
   /** The id of the parent category for the channel */
   parent_id?: string;
   /** Whether the channel is nsfw */
diff --git a/src/utils/permissions.ts b/src/utils/permissions.ts
index 1623c6451..c466a48b8 100644
--- a/src/utils/permissions.ts
+++ b/src/utils/permissions.ts
@@ -2,7 +2,7 @@ import { cacheHandlers } from "../controllers/cache.ts";
 import { botID } from "../module/client.ts";
 import { Guild } from "../structures/guild.ts";
 import { Role } from "../structures/role.ts";
-import { RawOverwrite } from "../types/guild.ts";
+import { PermissionOverwrite } from "../types/guild.ts";
 import { Permission, Permissions } from "../types/permission.ts";
 
 /** Checks if the member has this permission. If the member is an owner or has admin perms it will always be true. */
@@ -105,11 +105,11 @@ export async function hasChannelPermissions(
   const member = guild.members.get(memberID);
   if (!member) return false;
 
-  let memberOverwrite: RawOverwrite | undefined;
-  let everyoneOverwrite: RawOverwrite | undefined;
-  let rolesOverwrites: RawOverwrite[] = [];
+  let memberOverwrite: PermissionOverwrite | undefined;
+  let everyoneOverwrite: PermissionOverwrite | undefined;
+  let rolesOverwrites: PermissionOverwrite[] = [];
 
-  for (const overwrite of channel.permission_overwrites || []) {
+  for (const overwrite of channel.permissionOverwrites || []) {
     // If the overwrite on this channel is specific to this member
     if (overwrite.id === memberID) memberOverwrite = overwrite;
     // If it is the everyone role overwrite
@@ -122,13 +122,16 @@ export async function hasChannelPermissions(
 
   // Member perms override everything so we must check them first
   if (memberOverwrite) {
+    const allowBits = calculateBits(memberOverwrite.allow);
+    const denyBits = calculateBits(memberOverwrite.deny);
     for (const perm of permissions) {
       // One of the necessary permissions is denied. Since this is main permission we can cancel if its denied.
-      if (BigInt(memberOverwrite.deny) & BigInt(perm)) return false;
+      if (BigInt(denyBits) & BigInt(perm)) return false;
       // Already allowed perm
       if (allowedPermissions.has(perm)) continue;
+
       // This perm is allowed so we save it
-      if (BigInt(memberOverwrite.allow) & BigInt(perm)) {
+      if (BigInt(allowBits) & BigInt(perm)) {
         allowedPermissions.add(perm);
       }
     }
@@ -140,17 +143,19 @@ export async function hasChannelPermissions(
     if (allowedPermissions.has(perm)) continue;
 
     for (const overwrite of rolesOverwrites) {
+      const allowBits = calculateBits(overwrite.allow);
       // This perm is allowed so we save it
-      if (BigInt(overwrite.allow) & BigInt(perm)) {
+      if (BigInt(allowBits) & BigInt(perm)) {
         allowedPermissions.add(perm);
         break;
       }
 
+      const denyBits = calculateBits(overwrite.deny);
       // If this role denies it we need to save and check if another role allows it, allows > deny
-      if (BigInt(overwrite.deny) & BigInt(perm)) {
+      if (BigInt(denyBits) & BigInt(perm)) {
         // This role denies his perm, but before denying we need to check all other roles if any allow as allow > deny
         const isAllowed = rolesOverwrites.some((o) =>
-          BigInt(o.allow) & BigInt(perm)
+          BigInt(calculateBits(o.allow)) & BigInt(perm)
         );
         if (isAllowed) continue;
         // This permission is in fact denied. Since Roles overrule everything below here we can cancel ou here
@@ -160,13 +165,15 @@ export async function hasChannelPermissions(
   }
 
   if (everyoneOverwrite) {
+    const allowBits = calculateBits(everyoneOverwrite.allow);
+    const denyBits = calculateBits(everyoneOverwrite.deny);
     for (const perm of permissions) {
       // Already allowed perm
       if (allowedPermissions.has(perm)) continue;
       // One of the necessary permissions is denied. Since everyone overwrite overrides role perms we can cancel here
-      if (BigInt(everyoneOverwrite.deny) & BigInt(perm)) return false;
+      if (BigInt(denyBits) & BigInt(perm)) return false;
       // This perm is allowed so we save it
-      if (BigInt(everyoneOverwrite.allow) & BigInt(perm)) {
+      if (BigInt(allowBits) & BigInt(perm)) {
         allowedPermissions.add(perm);
       }
     }
diff --git a/tests/mod.test.ts b/tests/mod.test.ts
index 263519312..498ae37ad 100644
--- a/tests/mod.test.ts
+++ b/tests/mod.test.ts
@@ -168,18 +168,18 @@ Deno.test({
     const channel = cache.channels.get(data.channelID);
     if (!channel) throw "Channel not found";
 
-    if (!channel.permission_overwrites) throw "Channel overwrites not found.";
+    if (!channel.permissionOverwrites) throw "Channel overwrites not found.";
 
     const hasPerm = channelOverwriteHasPermission(
       data.guildID,
       data.roleID,
-      channel.permission_overwrites,
+      channel.permissionOverwrites,
       [Permissions.VIEW_CHANNEL, Permissions.SEND_MESSAGES],
     );
     const missingPerm = channelOverwriteHasPermission(
       data.guildID,
       data.roleID,
-      channel.permission_overwrites,
+      channel.permissionOverwrites,
       [Permissions.USE_EXTERNAL_EMOJIS],
     );