diff --git a/suite-common/connect-init/src/connectInitThunks.ts b/suite-common/connect-init/src/connectInitThunks.ts
index cfb0084272a2..8e248e130cbc 100644
--- a/suite-common/connect-init/src/connectInitThunks.ts
+++ b/suite-common/connect-init/src/connectInitThunks.ts
@@ -8,6 +8,7 @@ import TrezorConnect, {
 } from '@trezor/connect';
 import { getSynchronize } from '@trezor/utils';
 import { deviceConnectThunks } from '@suite-common/wallet-core';
+import { getLocationOrigin } from '@trezor/env-utils';
 
 import { cardanoConnectPatch } from './cardanoConnectPatch';
 
@@ -109,7 +110,7 @@ export const connectInitThunk = createThunk(
         cardanoConnectPatch(getEnabledNetworks);
 
         const sessionsBackground =
-            window.location.origin +
+            getLocationOrigin() +
             `${process.env.ASSET_PREFIX || ''}/static/connect/workers/sessions-background-sharedworker.js`.replaceAll(
                 /\/+/g,
                 '/',