# MutantHub mutant #4386: Arithmetic operator mutation at validation.cpp:6454
# Repository: bitcoin/bitcoin @ ddea9196493d3b8fd841a36a6c53efd85dac7a05
# File: src/validation.cpp:6454-6454
# Review: APPROVED; outcome: KILLED
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -6454,1 +6454,1 @@
-        0, m_chain.Height() - static_cast<int>(MIN_BLOCKS_TO_KEEP));
+        0, m_chain.Height() + static_cast<int>(MIN_BLOCKS_TO_KEEP));