diff --git a/bindings/ldk_node.udl b/bindings/ldk_node.udl
index 830d40119..5cff3a6b5 100644
--- a/bindings/ldk_node.udl
+++ b/bindings/ldk_node.udl
@@ -145,7 +145,7 @@ interface OnchainPayment {
 	[Throws=NodeError]
 	Address new_address();
 	[Throws=NodeError]
-	Txid send_to_address([ByRef]Address address, u64 amount_msat);
+	Txid send_to_address([ByRef]Address address, u64 amount_sats);
 	[Throws=NodeError]
 	Txid send_all_to_address([ByRef]Address address);
 };