# MutantHub mutant #3920: Relational operator mutation at validation.cpp:290
# Repository: bitcoin/bitcoin @ ddea9196493d3b8fd841a36a6c53efd85dac7a05
# File: src/validation.cpp:290-290
# Review: APPROVED; outcome: SURVIVED
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -290,1 +290,1 @@
-    if (active_chainstate.m_chain.Height() < active_chainstate.m_chainman.m_best_header->nHeight - 1) {
+    if (active_chainstate.m_chain.Height() <= active_chainstate.m_chainman.m_best_header->nHeight - 1) {