diff --git a/apps/dashboard/src/components/layout/DashboardAccessGuard.boundary.test.ts b/apps/dashboard/src/components/layout/DashboardAccessGuard.boundary.test.ts
index c6f2104..661f73a 100644
--- a/apps/dashboard/src/components/layout/DashboardAccessGuard.boundary.test.ts
+++ b/apps/dashboard/src/components/layout/DashboardAccessGuard.boundary.test.ts
@@ -1,6 +1,6 @@
 import { describe, expect, it } from 'vitest'
 import { resolveDashboardRoutePolicy, roleCanAccessPolicy } from '@/lib/dashboardRoutePolicies'
-import { flattenInternalRoutes, getBaselineInternalRoutes, isAllowedRoute, resolveAccessRedirect, resolveAllowedRoutes } from './DashboardAccessGuard'
+import { buildSignInRedirect, flattenInternalRoutes, getBaselineInternalRoutes, isAllowedRoute, resolveAccessRedirect, resolveAllowedRoutes } from './DashboardAccessGuard'
 
 describe('DashboardAccessGuard route helpers', () => {
   it('normalizes dashboard-prefixed menu routes before checking access', () => {
@@ -108,6 +108,11 @@ describe('DashboardAccessGuard route helpers', () => {
     expect(resolveAccessRedirect('/fleet/123', ['/', '/fleet'])).toBeNull()
   })
 
+  it('builds sign-in redirects with public dashboard return paths', () => {
+    expect(buildSignInRedirect('/reservations')).toBe('/sign-in?redirect=%2Fdashboard%2Freservations')
+    expect(buildSignInRedirect('/dashboard/fleet')).toBe('/sign-in?redirect=%2Fdashboard%2Ffleet')
+  })
+
   it('treats subscription as an owner-only recovery route independent of menu registration', () => {
     const policy = resolveDashboardRoutePolicy('/subscription')
 
diff --git a/apps/dashboard/src/components/layout/DashboardAccessGuard.tsx b/apps/dashboard/src/components/layout/DashboardAccessGuard.tsx
index 90206a4..9df18d2 100644
--- a/apps/dashboard/src/components/layout/DashboardAccessGuard.tsx
+++ b/apps/dashboard/src/components/layout/DashboardAccessGuard.tsx
@@ -3,7 +3,7 @@
 import { usePathname, useRouter } from 'next/navigation'
 import { useEffect, useState } from 'react'
 import { apiFetch } from '@/lib/api'
-import { toDashboardAppPath } from '@/lib/dashboardPaths'
+import { toDashboardAppPath, toPublicDashboardPath } from '@/lib/dashboardPaths'
 import {
   getDashboardFallbackRoute,
   resolveDashboardRoutePolicy,
@@ -90,9 +90,9 @@ export function resolveAccessRedirect(currentPath: string, allowedRoutes: string
   return fallbackRoute === currentPath ? null : fallbackRoute
 }
 
-function buildSignInRedirect(currentPath: string) {
+export function buildSignInRedirect(currentPath: string) {
   const params = new URLSearchParams()
-  params.set('redirect', currentPath)
+  params.set('redirect', toPublicDashboardPath(currentPath))
   return `/sign-in?${params.toString()}`
 }
 
diff --git a/apps/dashboard/src/middleware.test.ts b/apps/dashboard/src/middleware.test.ts
index 55ec5b5..3373d1b 100644
--- a/apps/dashboard/src/middleware.test.ts
+++ b/apps/dashboard/src/middleware.test.ts
@@ -80,6 +80,14 @@ describe('dashboard middleware', () => {
     expect(response).toEqual({ kind: 'redirect', url: 'https://rentaldrivego.example/dashboard/sign-in?redirect=%2Fdashboard%2Fteam' })
   })
 
+  it('redirects unprefixed internal app paths with a public dashboard return path', async () => {
+    const { default: middleware } = await loadMiddleware('https://rentaldrivego.example')
+
+    const response = middleware(request('http://dashboard:3001/reservations') as never)
+
+    expect(response).toEqual({ kind: 'redirect', url: 'https://rentaldrivego.example/dashboard/sign-in?redirect=%2Fdashboard%2Freservations' })
+  })
+
   it('uses trusted forwarded host/proto when building the dashboard sign-in redirect', async () => {
     const { default: middleware } = await loadMiddleware('https://market.example.com')
 
diff --git a/apps/dashboard/src/middleware.ts b/apps/dashboard/src/middleware.ts
index f94b156..6f0d6c1 100644
--- a/apps/dashboard/src/middleware.ts
+++ b/apps/dashboard/src/middleware.ts
@@ -86,7 +86,7 @@ function localJwtMiddleware(req: NextRequest): NextResponse {
 
   if (!token) {
     const signInUrl = resolveProxyUrl(req, toPublicDashboardPath('/sign-in'))
-    signInUrl.searchParams.set('redirect', req.nextUrl.pathname)
+    signInUrl.searchParams.set('redirect', toPublicDashboardPath(req.nextUrl.pathname))
     return NextResponse.redirect(signInUrl)
   }
   return NextResponse.next()