diff --git a/src/bench/coin_selection.cpp b/src/bench/coin_selection.cpp
--- a/src/bench/coin_selection.cpp
+++ b/src/bench/coin_selection.cpp
@@ -24,7 +24,7 @@
     int nAge = 6 * 24;
     COutput output(wtx, nInput, nAge, true /* spendable */, true /* solvable */,
                    true /* safe */);
-    groups.emplace_back(output.GetInputCoin(), 0, false, 0, 0);
+    groups.emplace_back(output.GetInputCoin(), 6, false, 0, 0);
 }
 
 // Simple benchmark for wallet coin selection. Note that it maybe be necessary