# MutantHub mutant #3975: Arithmetic operator mutation at validation.cpp:1280
# Repository: bitcoin/bitcoin @ ddea9196493d3b8fd841a36a6c53efd85dac7a05
# File: src/validation.cpp:1280-1280
# Review: APPROVED; outcome: SURVIVED
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -1280,1 +1280,1 @@
-                 m_subpackage.m_total_modified_fees - m_subpackage.m_conflicting_fees,
+                 m_subpackage.m_total_modified_fees + m_subpackage.m_conflicting_fees,