# MutantHub mutant #4173: Relational operator mutation at validation.cpp:4738
# Repository: bitcoin/bitcoin @ ddea9196493d3b8fd841a36a6c53efd85dac7a05
# File: src/validation.cpp:4738-4738
# Review: APPROVED; outcome: SURVIVED
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -4738,1 +4738,1 @@
-        if (pindex->nHeight <= chainstate.m_chain.Height() - nCheckDepth) {
+        if (pindex->nHeight < chainstate.m_chain.Height() - nCheckDepth) {