# MutantHub mutant #4132: Return value mutation at validation.cpp:4420
# Repository: bitcoin/bitcoin @ ddea9196493d3b8fd841a36a6c53efd85dac7a05
# File: src/validation.cpp:4420-4420
# Review: APPROVED; outcome: SURVIVED
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -4420,1 +4420,1 @@
-        if (fTooFarAhead) return true;        // Block height is too high
+        if (fTooFarAhead) return false;        // Block height is too high