diff --git a/src/adapter/bun/websocket.ts b/src/adapter/bun/websocket.ts
index 9ae13e968..fa2e6367f 100644
--- a/src/adapter/bun/websocket.ts
+++ b/src/adapter/bun/websocket.ts
@@ -6,7 +6,7 @@ import { getBunServer } from './server'
  * @internal
  */
 export interface BunServerWebSocket<T> {
-  send(data: string | ArrayBufferLike, compress?: boolean): void
+  send(data: string | ArrayBuffer | Uint8Array, compress?: boolean): void
   close(code?: number, reason?: string): void
   data: T
   readyState: 0 | 1 | 2 | 3
diff --git a/src/middleware/secure-headers/secure-headers.ts b/src/middleware/secure-headers/secure-headers.ts
index 55d7aa970..30b6fd162 100644
--- a/src/middleware/secure-headers/secure-headers.ts
+++ b/src/middleware/secure-headers/secure-headers.ts
@@ -126,9 +126,9 @@ type SecureHeadersCallback = (
 ) => [string, string][]
 
 const generateNonce = () => {
-  const buffer = new Uint8Array(16)
-  crypto.getRandomValues(buffer)
-  return encodeBase64(buffer)
+  const arrayBuffer = new Uint8Array(16)
+  crypto.getRandomValues(arrayBuffer)
+  return encodeBase64(arrayBuffer.buffer)
 }
 
 export const NONCE: ContentSecurityPolicyOptionHandler = (ctx) => {