# MutantHub mutant #3985: Arithmetic operator mutation at validation.cpp:1414
# Repository: bitcoin/bitcoin @ ddea9196493d3b8fd841a36a6c53efd85dac7a05
# File: src/validation.cpp:1414-1414
# Review: APPROVED; outcome: SURVIVED
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -1414,1 +1414,1 @@
-                 ws.m_modified_fees - m_subpackage.m_conflicting_fees,
+                 ws.m_modified_fees + m_subpackage.m_conflicting_fees,