# MutantHub mutant #2270: Arithmetic operator mutation at coinselection.cpp:411
# Repository: bitcoin/bitcoin @ d1d85263f8ebb47ad4d6126ff992d4915dda026b
# File: src/wallet/coinselection.cpp:411-411
# Review: APPROVED; outcome: KILLED
--- a/src/wallet/coinselection.cpp
+++ b/src/wallet/coinselection.cpp
@@ -411,1 +411,1 @@
-        size_t index = utxo_pool.size() - 1 - i; // Loop over every element in reverse order
+        size_t index = utxo_pool.size() + 1 - i; // Loop over every element in reverse order