diff --git a/crates/xxi-node/src/on_chain_wallet.rs b/crates/xxi-node/src/on_chain_wallet.rs
index 79cdad7ec..c9a1e651d 100644
--- a/crates/xxi-node/src/on_chain_wallet.rs
+++ b/crates/xxi-node/src/on_chain_wallet.rs
@@ -299,7 +299,7 @@ where
         amount_sat_or_drain: u64,
         fee_config: FeeConfig,
     ) -> Result<Transaction> {
-        if amount_sat_or_drain.is_dust(&recipient.script_pubkey()) {
+        if amount_sat_or_drain > 0 && amount_sat_or_drain.is_dust(&recipient.script_pubkey()) {
             bail!("Send amount below dust: {amount_sat_or_drain} sat");
         }
 
diff --git a/mobile/lib/features/wallet/application/wallet_service.dart b/mobile/lib/features/wallet/application/wallet_service.dart
index 124b0ff2d..b0b6b0e3b 100644
--- a/mobile/lib/features/wallet/application/wallet_service.dart
+++ b/mobile/lib/features/wallet/application/wallet_service.dart
@@ -72,7 +72,7 @@ class WalletService {
   Future<String> sendOnChainPayment(Destination destination, Amount? amount,
       {FeeConfig? feeConfig}) {
     var feeConfigApi = feeConfig!.toAPI();
-    var sats = amount!.sats;
+    var sats = amount?.sats ?? 0;
     var address = destination.raw;
     logger.i("Sending payment of $amount to $address with fee $feeConfigApi");