diff --git a/src/carrot_core/scan.cpp b/src/carrot_core/scan.cpp
index dadfe3177..cc21fd4ce 100644
--- a/src/carrot_core/scan.cpp
+++ b/src/carrot_core/scan.cpp
@@ -387,6 +387,11 @@ bool try_scan_carrot_enote_external_sender(const CarrotEnoteV1 &enote,
     CarrotEnoteType &enote_type_out,
     const bool check_pid)
 {
+    epee::span<const crypto::public_key> main_address_spend_pubkeys;
+    if (destination.is_subaddress)
+        main_address_spend_pubkeys = {};
+    else
+        main_address_spend_pubkeys = {&destination.address_spend_pubkey, 1};
     crypto::public_key recovered_address_spend_pubkey;
     payment_id_t recovered_payment_id;
     CarrotEnoteType recovered_enote_type;
@@ -395,7 +400,7 @@ bool try_scan_carrot_enote_external_sender(const CarrotEnoteV1 &enote,
     if (!try_scan_carrot_enote_external_normal_checked(enote,
             encrypted_payment_id,
             s_sender_receiver_unctx,
-            {&destination.address_spend_pubkey, 1},
+            main_address_spend_pubkeys,
             sender_extension_g_out,
             sender_extension_t_out,
             recovered_address_spend_pubkey,