diff --git a/blockapi/test/v2/api/debank/test_debank_app_parser.py b/blockapi/test/v2/api/debank/test_debank_app_parser.py
index dbe3001..1bd0234 100644
--- a/blockapi/test/v2/api/debank/test_debank_app_parser.py
+++ b/blockapi/test/v2/api/debank/test_debank_app_parser.py
@@ -144,6 +144,7 @@ def test_parse_polymarket_deposits(debank_app_parser, polymarket_response):
     assert deposit.balance_raw == Decimal("290595.12768")
     assert deposit.coin.symbol == COIN_USDC.symbol
     assert deposit.coin.info.coingecko_id == COIN_USDC.info.coingecko_id
+    assert deposit.coin.blockchain == Blockchain.POLYGON
 
 
 def test_parse_polymarket_predictions(debank_app_parser, polymarket_response):
diff --git a/blockapi/v2/api/debank.py b/blockapi/v2/api/debank.py
index 94de06e..57a48c8 100644
--- a/blockapi/v2/api/debank.py
+++ b/blockapi/v2/api/debank.py
@@ -680,11 +680,19 @@ def _parse_deposit(
                 )
                 continue
 
+            coin_with_app_chain = Coin.from_api(
+                blockchain=chain,
+                decimals=coin.decimals,
+                name=coin.name,
+                symbol=coin.symbol,
+                info=coin.info,
+            )
+
             balance = BalanceItem.from_api(
                 balance=Decimal(token.amount),
                 balance_raw=token.amount,
                 asset_type=AssetType.DEPOSITED,
-                coin=coin,
+                coin=coin_with_app_chain,
                 raw=token.model_dump(),
                 last_updated=int(item.update_at) if item.update_at else None,
             )