diff --git a/startos/main.ts b/startos/main.ts
index b30fefb..78ff641 100644
--- a/startos/main.ts
+++ b/startos/main.ts
@@ -1,10 +1,20 @@
 import { i18n } from './i18n'
 import { sdk } from './sdk'
 import { uiPort } from './utils'
+import { electrumPort, mainHostId } from 'fulcrum-startos/startos/utils'
 
 export const main = sdk.setupMain(async ({ effects }) => {
   console.info(i18n('Starting Munin Bitcoin!'))
 
+  const fulcrumAddress = await sdk.host
+    .getBridgeAddress(effects, {
+      packageId: 'fulcrum',
+      hostId: mainHostId,
+      internalPort: electrumPort,
+      ssl: false,
+    })
+    .const()
+
   return sdk.Daemons.of(effects).addDaemon('primary', {
     subcontainer: sdk.SubContainer.of(
       effects,
@@ -19,9 +29,11 @@ export const main = sdk.setupMain(async ({ effects }) => {
     ),
     exec: {
       command: ['munin-bitcoin'],
-      env: {
-        MUNIN_FULCRUM_URL: 'tcp://fulcrum.startos:50001',
-      },
+      env: fulcrumAddress
+        ? {
+            MUNIN_FULCRUM_URL: `tcp://${fulcrumAddress}`,
+          }
+        : {},
     },
     ready: {
       display: i18n('Web Interface'),