diff --git a/chains/v20/chains.json b/chains/v20/chains.json
index f019d73e1..f34af38e2 100644
--- a/chains/v20/chains.json
+++ b/chains/v20/chains.json
@@ -5963,7 +5963,8 @@
         "additional": {
             "themeColor": "#1F78FF",
             "stakingWiki": "https://docs.novawallet.io/nova-wallet-wiki/staking/polkadex-pdex-staking",
-            "feeViaRuntimeCall": true
+            "feeViaRuntimeCall": true,
+            "supportsGenericLedgerApp": true
         }
     },
     {