diff --git a/lib/Utils/messages-media.js b/lib/Utils/messages-media.js
index 95f8c63..612b7fb 100644
--- a/lib/Utils/messages-media.js
+++ b/lib/Utils/messages-media.js
@@ -596,7 +596,10 @@ const uploadWithFetch = async ({ url, filePath, headers, timeoutMs, agent }) =>
     const nodeStream = createReadStream(filePath);
     const webStream = Readable.toWeb(nodeStream);
     const response = await fetch(url, {
-        dispatcher: agent,
+        // Baileys may pass a generic agent in some runtimes. Undici's dispatcher
+        // option only accepts Dispatcher-compatible implementations, so only wire
+        // it through when the object actually implements dispatch.
+        ...(typeof agent?.dispatch === 'function' ? { dispatcher: agent } : {}),
         method: 'POST',
         body: webStream,
         headers,
diff --git a/lib/Utils/logger.d.ts b/lib/Utils/logger.d.ts
index 4d78996..059f58f 100644
--- a/lib/Utils/logger.d.ts
+++ b/lib/Utils/logger.d.ts
@@ -7,6 +7,6 @@ export interface ILogger {
     info(obj: unknown, msg?: string): void;
     warn(obj: unknown, msg?: string): void;
     error(obj: unknown, msg?: string): void;
 }
-declare const _default: import("pino").Logger<never, boolean>;
+declare const _default: ILogger;
 export default _default;