diff --git a/cdp/wallet_address.py b/cdp/wallet_address.py
index e8d801d..1f9a3f9 100644
--- a/cdp/wallet_address.py
+++ b/cdp/wallet_address.py
@@ -361,7 +361,7 @@ def quote_fund(self, amount: Number | Decimal | str, asset_id: str) -> FundQuote
 
         return FundQuote.create(
             address_id=self.address_id,
-            amount=str(normalized_amount),
+            amount=normalized_amount,
             asset_id=asset_id,
             network_id=self.network_id,
             wallet_id=self.wallet_id,