diff --git a/packages/react-api/src/ledger.ts b/packages/react-api/src/ledger.ts
index 5347ad6f5d..eb87dd9d83 100644
--- a/packages/react-api/src/ledger.ts
+++ b/packages/react-api/src/ledger.ts
@@ -18,7 +18,7 @@ let ledger: Ledger | null = null;
 
 export function isLedgerCapable (): boolean {
   try {
-    return !!api && ALLOWED_CHAINS.map(([g]) => g).includes(api.genesisHash.toHex());
+    return !!(window as unknown as { USB?: unknown }).USB && !!api && ALLOWED_CHAINS.map(([g]) => g).includes(api.genesisHash.toHex());
   } catch (error) {
     return false;
   }