diff --git a/apps/machine/src/views/SupportView.vue b/apps/machine/src/views/SupportView.vue
index adec484..93803e5 100644
--- a/apps/machine/src/views/SupportView.vue
+++ b/apps/machine/src/views/SupportView.vue
@@ -22,13 +22,27 @@ import { QrCode, ExternalLink } from 'lucide-vue-next'
 const router = useRouter()
 const isElectron = typeof window !== 'undefined' && window.electronAPI !== undefined
 
+// Lightning.Pub config loaded at runtime from Electron main process
+const lpPubkey = ref('')
+const relayUrl = ref('')
+
+onMounted(async () => {
+  if (isElectron && window.electronAPI) {
+    const config = await window.electronAPI.getConfig()
+    lpPubkey.value = config.lightningPubPubkey || ''
+    relayUrl.value = config.relayUrl || ''
+  } else {
+    // Dev fallback: use Vite env vars
+    lpPubkey.value = import.meta.env.VITE_LIGHTNING_PUB_PUBKEY || ''
+    relayUrl.value = import.meta.env.VITE_RELAY_URL || ''
+  }
+})
+
 // Build nprofile for Lightning.Pub (pubkey + relay hint)
 const lpNprofile = computed(() => {
-  const pubkey = import.meta.env.VITE_LIGHTNING_PUB_PUBKEY
-  if (!pubkey) return ''
-  const relayUrl = import.meta.env.VITE_RELAY_URL
-  const relays = relayUrl ? [relayUrl.replace('ws://', 'wss://')] : []
-  return nip19.nprofileEncode({ pubkey, relays })
+  if (!lpPubkey.value) return ''
+  const relays = relayUrl.value ? [relayUrl.value.replace('ws://', 'wss://')] : []
+  return nip19.nprofileEncode({ pubkey: lpPubkey.value, relays })
 })
 
 // Deep link URL: opens ShockWallet with this ATM's Lightning.Pub pre-filled