diff --git a/packages/studio-desktop/src/afterPack.ts b/packages/studio-desktop/src/afterPack.ts
index 9e6088e4d8..044b120280 100644
--- a/packages/studio-desktop/src/afterPack.ts
+++ b/packages/studio-desktop/src/afterPack.ts
@@ -13,7 +13,7 @@ import path from "path";
 import plist, { PlistObject } from "plist";
 
 async function getKeychainFile(context: AfterPackContext): Promise<string | undefined> {
-  const macPackager = context.packager as MacPackager;
+  const macPackager = context.packager as unknown as MacPackager;
   if ((macPackager as Partial<typeof macPackager>).codeSigningInfo == undefined) {
     log.error("No code signing info available.");
     return;