diff --git a/client/App.tsx b/client/App.tsx
index 30be7dc..a37c947 100644
--- a/client/App.tsx
+++ b/client/App.tsx
@@ -12,7 +12,7 @@ import { ProfilePage } from './pages/Profile'
 
 const Redirect = ({ to }: { to: string }) => {
     useEffect(() => {
-        route(to, true)
+        route(prependBaseUrl(to), true)
     }, [])
 
     return (
diff --git a/client/pages/Admin.tsx b/client/pages/Admin.tsx
index 324bbf9..5da4956 100644
--- a/client/pages/Admin.tsx
+++ b/client/pages/Admin.tsx
@@ -2,7 +2,7 @@ import { route } from 'preact-router'
 import { useState } from 'preact/hooks'
 import { isAdministrator, isStudent, Solution as SolutionModel, SolutionId } from '../../shared/model'
 import { sortByStringKey } from '../../shared/utils'
-import { server } from '../api'
+import { prependBaseUrl, server } from '../api'
 import { Header } from '../components/Header'
 import { MarkdownEditor } from '../components/MarkdownEditor'
 import { Select } from '../components/Select'
@@ -16,7 +16,7 @@ const CreateProblem = ({}) => {
             content: source,
         })
 
-        route(`/problem/${id}`)
+        route(prependBaseUrl(`/problem/${id}`))
     }
 
     return (
@@ -32,9 +32,9 @@ type SortOrder = 'latest' | 'oldest'
 export const AdminPage = ({}) => {
     const [user] = useCurrentUser(user => {
         if (!user) {
-            route('/login', true)
+            route(prependBaseUrl('/login'), true)
         } else if (isStudent(user.role)) {
-            route('/', true)
+            route(prependBaseUrl('/'), true)
         }
     })
 
diff --git a/client/pages/Login.tsx b/client/pages/Login.tsx
index 36f68c1..0959c28 100644
--- a/client/pages/Login.tsx
+++ b/client/pages/Login.tsx
@@ -1,6 +1,7 @@
 import { route } from 'preact-router'
 
 import { useState } from 'preact/hooks'
+import { prependBaseUrl } from '../api.js'
 import { Header } from '../components/Header.jsx'
 
 export const LoginPage = () => {
@@ -18,7 +19,7 @@ export const LoginPage = () => {
             }),
         })
 
-        route('/')
+        route(prependBaseUrl('/'))
     }
 
     return (
diff --git a/client/pages/Profile.tsx b/client/pages/Profile.tsx
index ee5663e..4a95e0f 100644
--- a/client/pages/Profile.tsx
+++ b/client/pages/Profile.tsx
@@ -1,7 +1,7 @@
 import { route } from 'preact-router'
 import { useState } from 'preact/hooks'
 import { isAdministrator, Solution as SolutionModel, User } from '../../shared/model'
-import { server } from '../api'
+import { prependBaseUrl, server } from '../api'
 import { Header } from '../components/Header'
 import { Select } from '../components/Select'
 import { Solution } from '../components/Solution'
@@ -22,13 +22,13 @@ const SolutionList = ({ user }: { user: User }) => {
 export const ProfilePage = ({}) => {
     const [user, logout] = useCurrentUser(user => {
         if (!user) {
-            route('/login', true)
+            route(prependBaseUrl('/login'), true)
         }
     })
 
     const handleLogout = () => {
         logout()
-        route('/')
+        route(prependBaseUrl('/'))
     }
 
     return (