diff --git a/scripts/config.sh b/scripts/config.sh
index ec275ae..29ee41a 100755
--- a/scripts/config.sh
+++ b/scripts/config.sh
@@ -2,8 +2,8 @@
 
 # It isn't enough to modify this yet.
 # You also need to manually update the toes.service file.
-HOST="${HOST:-toes@$(hostname).local}"
-URL="${URL:-http://$(hostname).local}"
+HOST="${HOST:-toes@toes.local}"
+URL="${URL:-http://toes.local}"
 DEST="${DEST:-~/toes}"
 DATA_DIR="${DATA_DIR:-~/data}"
 APPS_DIR="${APPS_DIR:-~/apps}"
diff --git a/src/cli/http.ts b/src/cli/http.ts
index 90290ba..1cdaad1 100644
--- a/src/cli/http.ts
+++ b/src/cli/http.ts
@@ -1,7 +1,7 @@
 import type { Manifest } from '@types'
-import { hostname } from 'os'
+import { LOCAL_HOST } from '%config'
 
-const DEFAULT_HOST = process.env.DEV ? 'http://localhost:3000' : `http://${hostname()}.local`
+const DEFAULT_HOST = process.env.DEV ? 'http://localhost:3000' : `http://${LOCAL_HOST}`
 
 const normalizeUrl = (url: string) =>
   url.startsWith('http://') || url.startsWith('https://') ? url : `http://${url}`
diff --git a/src/lib/config.ts b/src/lib/config.ts
new file mode 100644
index 0000000..fe800d9
--- /dev/null
+++ b/src/lib/config.ts
@@ -0,0 +1,4 @@
+import { hostname } from 'os'
+
+export const HOSTNAME = hostname()
+export const LOCAL_HOST = `${HOSTNAME}.local`
diff --git a/src/server/apps.ts b/src/server/apps.ts
index d388574..2119c1a 100644
--- a/src/server/apps.ts
+++ b/src/server/apps.ts
@@ -4,7 +4,7 @@ import type { Subprocess } from 'bun'
 import { DEFAULT_EMOJI } from '@types'
 import { buildAppUrl, toSubdomain } from '@urls'
 import { appendFileSync, existsSync, mkdirSync, readdirSync, readFileSync, realpathSync, renameSync, symlinkSync, unlinkSync, writeFileSync } from 'fs'
-import { hostname } from 'os'
+import { LOCAL_HOST } from '%config'
 import { join, resolve } from 'path'
 import { loadAppEnv } from '../tools/env'
 import { publishApp, unpublishAll, unpublishApp } from './mdns'
@@ -16,7 +16,7 @@ export type { AppState } from '@types'
 export const APPS_DIR = process.env.APPS_DIR ?? resolve(join(process.env.DATA_DIR ?? '.', 'apps'))
 export const TOES_DIR = process.env.TOES_DIR ?? join(process.env.DATA_DIR ?? '.', 'toes')
 
-const defaultHost = process.env.NODE_ENV === 'production' ? `${hostname()}.local` : 'localhost'
+const defaultHost = process.env.NODE_ENV === 'production' ? LOCAL_HOST : 'localhost'
 export const TOES_URL = process.env.TOES_URL ?? `http://${defaultHost}:${process.env.PORT || 3000}`
 
 const HEALTH_CHECK_FAILURES_BEFORE_RESTART = 3
diff --git a/src/server/mdns.ts b/src/server/mdns.ts
index 9879abb..75897d8 100644
--- a/src/server/mdns.ts
+++ b/src/server/mdns.ts
@@ -1,6 +1,7 @@
 import type { Subprocess } from 'bun'
 import { toSubdomain } from '@urls'
-import { hostname, networkInterfaces } from 'os'
+import { LOCAL_HOST } from '%config'
+import { networkInterfaces } from 'os'
 import { hostLog } from './tui'
 
 const _publishers = new Map<string, Subprocess>()
@@ -24,7 +25,7 @@ export function cleanupStalePublishers() {
   if (!isEnabled) return
 
   try {
-    const result = Bun.spawnSync(['pkill', '-f', `avahi-publish.*${hostname()}\\.local`])
+    const result = Bun.spawnSync(['pkill', '-f', `avahi-publish.*${LOCAL_HOST}`])
     if (result.exitCode === 0) {
       hostLog('mDNS: cleaned up stale avahi-publish processes')
     }
@@ -41,7 +42,7 @@ export function publishApp(name: string) {
     return
   }
 
-  const host = `${toSubdomain(name)}.${hostname()}.local`
+  const host = `${toSubdomain(name)}.${LOCAL_HOST}`
 
   try {
     const proc = Bun.spawn(['avahi-publish', '-a', host, '-R', ip], {
@@ -68,7 +69,7 @@ export function unpublishApp(name: string) {
 
   proc.kill()
   _publishers.delete(name)
-  hostLog(`mDNS: unpublished ${toSubdomain(name)}.${hostname()}.local`)
+  hostLog(`mDNS: unpublished ${toSubdomain(name)}.${LOCAL_HOST}`)
 }
 
 export function unpublishAll() {
@@ -76,7 +77,7 @@ export function unpublishAll() {
 
   for (const [name, proc] of _publishers) {
     proc.kill()
-    hostLog(`mDNS: unpublished ${toSubdomain(name)}.${hostname()}.local`)
+    hostLog(`mDNS: unpublished ${toSubdomain(name)}.${LOCAL_HOST}`)
   }
   _publishers.clear()
 }