# MutantHub mutant #4103: Constant replacement mutation at validation.cpp:4061
# Repository: bitcoin/bitcoin @ ddea9196493d3b8fd841a36a6c53efd85dac7a05
# File: src/validation.cpp:4061-4061
# Review: APPROVED; outcome: SURVIVED
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -4061,1 +4061,1 @@
-        block.fChecked = true;
+        block.fChecked = false;