diff --git a/apps/desktop/electron/main.cjs b/apps/desktop/electron/main.cjs
index 85ae186a122..630c2eb05ae 100644
--- a/apps/desktop/electron/main.cjs
+++ b/apps/desktop/electron/main.cjs
@@ -6712,12 +6712,12 @@ ipcMain.handle('hermes:cloud:status', async () => ({
   signedIn: await hasLivePortalSession()
 }))
 
-// Whether the Hermes Cloud gateway selector is enabled — gated behind a BETA
-// env flag while the feature is in beta. Truthy values: '1', 'true', 'yes',
-// 'on' (case-insensitive). Absent, empty, 'false', '0', etc. → disabled, so the
-// renderer hides the Cloud ModeCard entirely.
+// Whether the Hermes Cloud gateway selector is enabled — gated behind a
+// HERMESCLOUD_BETA env flag while the feature is in beta. Truthy values: '1',
+// 'true', 'yes', 'on' (case-insensitive). Absent, empty, 'false', '0', etc. →
+// disabled, so the renderer hides the Cloud ModeCard entirely.
 function betaFeaturesEnabled() {
-  const raw = String(process.env.BETA ?? '').trim().toLowerCase()
+  const raw = String(process.env.HERMESCLOUD_BETA ?? '').trim().toLowerCase()
   return raw === '1' || raw === 'true' || raw === 'yes' || raw === 'on'
 }
 
diff --git a/apps/desktop/src/app/settings/gateway-settings.tsx b/apps/desktop/src/app/settings/gateway-settings.tsx
index 0ff4244a35b..f7b35e9b4b9 100644
--- a/apps/desktop/src/app/settings/gateway-settings.tsx
+++ b/apps/desktop/src/app/settings/gateway-settings.tsx
@@ -142,7 +142,7 @@ export function GatewaySettings() {
   }
 
   // Hermes Cloud is beta-gated: the selector ModeCard only appears when the main
-  // process reports the BETA env flag is enabled. Default hidden until the async
+  // process reports the HERMESCLOUD_BETA env flag is enabled. Default hidden until the async
   // check resolves, so it never flashes in for non-beta users.
   const [cloudBetaEnabled, setCloudBetaEnabled] = useState(false)
   useEffect(() => {
diff --git a/apps/desktop/src/global.d.ts b/apps/desktop/src/global.d.ts
index 90f5c0576d1..98577c242f9 100644
--- a/apps/desktop/src/global.d.ts
+++ b/apps/desktop/src/global.d.ts
@@ -59,7 +59,7 @@ declare global {
       // sign-in (cloud-auto-discovery Phase 3).
       cloud: {
         status: () => Promise<DesktopCloudStatus>
-        // Whether the BETA env flag enables the Hermes Cloud gateway selector.
+        // Whether the HERMESCLOUD_BETA env flag enables the Hermes Cloud gateway selector.
         betaEnabled: () => Promise<boolean>
         login: () => Promise<DesktopCloudStatus & { ok: boolean }>
         logout: () => Promise<DesktopCloudStatus & { ok: boolean }>