# MutantHub mutant #4375: Relational operator mutation at validation.cpp:6353
# Repository: bitcoin/bitcoin @ ddea9196493d3b8fd841a36a6c53efd85dac7a05
# File: src/validation.cpp:6353-6353
# Review: APPROVED; outcome: SURVIVED
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -6353,1 +6353,1 @@
-        if (!(entry.second.nStatus & BLOCK_FAILED_VALID) && m_best_header->nChainWork < entry.second.nChainWork) {
+        if (!(entry.second.nStatus & BLOCK_FAILED_VALID) && m_best_header->nChainWork <= entry.second.nChainWork) {