diff --git a/bindings/ldk_node.udl b/bindings/ldk_node.udl
index aedf9f6ab..514876426 100644
--- a/bindings/ldk_node.udl
+++ b/bindings/ldk_node.udl
@@ -144,7 +144,7 @@ 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);
 };