diff --git a/zcash_client_backend/src/data_api/wallet/input_selection.rs b/zcash_client_backend/src/data_api/wallet/input_selection.rs
index 88f61142ab..5291306dd4 100644
--- a/zcash_client_backend/src/data_api/wallet/input_selection.rs
+++ b/zcash_client_backend/src/data_api/wallet/input_selection.rs
@@ -403,11 +403,13 @@ where
             #[cfg(not(feature = "orchard"))]
             let orchard_input_total = NonNegativeAmount::ZERO;
 
-            let use_sapling =
-                !(sapling_outputs.is_empty() && orchard_input_total >= amount_required);
+            // Use Sapling inputs if there are no Orchard outputs or there are not sufficient
+            // Orchard outputs to cover the amount required.
+            let use_sapling = orchard_outputs.is_empty() || amount_required > orchard_input_total;
+            // Use Orchard inputs if there are insufficient Sapling funds to cover the amount
+            // reqiuired.
             #[cfg(feature = "orchard")]
-            let use_orchard =
-                !(orchard_outputs.is_empty() && sapling_input_total >= amount_required);
+            let use_orchard = amount_required > sapling_input_total;
 
             let sapling_inputs = if use_sapling {
                 shielded_inputs