diff --git a/apps/portal/next.config.mjs b/apps/portal/next.config.mjs
index 0b6f98b1..5ebe63a0 100644
--- a/apps/portal/next.config.mjs
+++ b/apps/portal/next.config.mjs
@@ -14,6 +14,9 @@ const useDirectApiBase = Boolean(directApiBase && directApiBase.trim().startsWit
 const nextConfig = {
   output: process.env.NODE_ENV === "production" ? "standalone" : undefined,
 
+  // Required for monorepo workspace packages to be bundled correctly
+  transpilePackages: ["@customer-portal/domain"],
+
   turbopack: {
     resolveAlias: {
       "@customer-portal/domain": path.join(workspaceRoot, "packages/domain/dist"),