diff --git a/pages/calculator.tsx b/pages/calculator.tsx
index 1755667..edc75a8 100644
--- a/pages/calculator.tsx
+++ b/pages/calculator.tsx
@@ -29,7 +29,7 @@ const Calculator:NextPage<CalculatorProps> = ({ query }) => {
 			description: '디스코드 봇 초대링크를 간편하게 생성하세요'
 		}} />
 		<h1 className='text-4xl font-bold mt-2 mb-4'>봇 초대링크 생성기</h1>
-		<div className='text-2xl font-bold inline-flex items-center'>권한: {Object.keys(value).filter(el => value[el]).map(el => Number(el)).reduce((prev, curr) => prev | curr, 0)} 
+		<div className='text-2xl font-bold inline-flex items-center'>권한: {String(Object.keys(value).filter(el => value[el]).map(el => Number(el)).reduce((prev, curr) => BigInt(prev) | BigInt(curr), BigInt(0)))} 
 			<span className='ml-2 text-lg font-semibold'>= { Object.keys(value).filter(el => value[el]).map(el => `0x${Number(el).toString(16)}`).join(' | ') }</span>
 		</div>
 		<div className='grid gap-2 grid-cols-1 md:grid-cols-2 lg:grid-cols-3 xl:grid-cols-3 mt-2'>
@@ -125,4 +125,4 @@ interface CalculatorProps {
 	query: ParsedUrlQuery
 }
 
-export default Calculator
\ No newline at end of file
+export default Calculator
diff --git a/utils/Constants.ts b/utils/Constants.ts
index 4327817..891230c 100644
--- a/utils/Constants.ts
+++ b/utils/Constants.ts
@@ -241,7 +241,7 @@ export const DiscordEnpoints = {
 	Token: BASE_URLs.api + '/oauth2/token',
 	Me: BASE_URLs.api + '/v9/users/@me',
 	Guilds: BASE_URLs.api + '/v9/users/@me/guilds',
-	InviteApplication: (id: string, perms: { [perm: string]: boolean }, scope: string, redirect?: string, guild_id?: string): string => `${BASE_URLs.api}/oauth2/authorize?client_id=${id ? id.split(' ')[0] : 'CLIENT_ID'}&permissions=${Object.keys(perms).filter(el => perms[el]).map(el => Number(el)).reduce((prev, curr) => prev | curr, 0)}&scope=${scope ? encodeURI(scope) : 'bot'}${redirect ? `&redirect_uri=${encodeURIComponent(redirect)}` : ''}${guild_id ? `&guild_id=${guild_id}` : ''}`,
+	InviteApplication: (id: string, perms: { [perm: string]: boolean }, scope: string, redirect?: string, guild_id?: string): string => `${BASE_URLs.api}/oauth2/authorize?client_id=${id ? id.split(' ')[0] : 'CLIENT_ID'}&permissions=${Object.keys(perms).filter(el => perms[el]).map(el => Number(el)).reduce((prev, curr) => BigInt(prev) | BigInt(curr), BigInt(0))}&scope=${scope ? encodeURI(scope) : 'bot'}${redirect ? `&redirect_uri=${encodeURIComponent(redirect)}` : ''}${guild_id ? `&guild_id=${guild_id}` : ''}`,
 	ServerInvite: (code: string): string => `${BASE_URLs.invite}/${code}`, 
 	CDN: class CDN {
 		static root = BASE_URLs.cdn
@@ -520,4 +520,4 @@ export const GuildPermissions = {
 			twofactor: true
 		}
 	]
-}
\ No newline at end of file
+}