# MutantHub mutant #4012: Function call mutation at validation.cpp:1975
# Repository: bitcoin/bitcoin @ ddea9196493d3b8fd841a36a6c53efd85dac7a05
# File: src/validation.cpp:1975-1975
# Review: APPROVED; outcome: SURVIVED
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -1975,1 +1975,1 @@
-      FormatISO8601DateTime(tip->GetBlockTime()));
+      FormatISO8601DateTime(tip->GetMedianTimePast()));