diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index 2cbee481..ab82755f 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -4079,13 +4079,15 @@ uint64_t wallet2::get_num_rct_outputs()
 std::vector<size_t> wallet2::select_available_unmixable_outputs(bool trusted_daemon)
 {
   // request all outputs with less than 3 instances
-  return select_available_outputs_from_histogram(3, false, true, trusted_daemon);
+  const size_t min_mixin = use_fork_rules(5, 10) ? 2 : 4; // v5 increases min mixin from 2 to 4
+  return select_available_outputs_from_histogram(min_mixin + 1, false, true, trusted_daemon);
 }
 //----------------------------------------------------------------------------------------------------
 std::vector<size_t> wallet2::select_available_mixable_outputs(bool trusted_daemon)
 {
   // request all outputs with at least 3 instances, so we can use mixin 2 with
-  return select_available_outputs_from_histogram(3, true, true, trusted_daemon);
+  const size_t min_mixin = use_fork_rules(5, 10) ? 2 : 4; // v5 increases min mixin from 2 to 4
+  return select_available_outputs_from_histogram(min_mixin + 1, true, true, trusted_daemon);
 }
 //----------------------------------------------------------------------------------------------------
 std::vector<wallet2::pending_tx> wallet2::create_unmixable_sweep_transactions(bool trusted_daemon)