# MutantHub mutant #4377: Relational operator mutation at validation.cpp:6366
# Repository: bitcoin/bitcoin @ ddea9196493d3b8fd841a36a6c53efd85dac7a05
# File: src/validation.cpp:6366-6366
# Review: APPROVED; outcome: SURVIVED
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -6366,1 +6366,1 @@
-        best_header->GetAncestor(tip->nHeight) == tip) {
+        best_header->GetAncestor(tip->nHeight) != tip) {