# MutantHub mutant #3933: Relational operator mutation at validation.cpp:377
# Repository: bitcoin/bitcoin @ ddea9196493d3b8fd841a36a6c53efd85dac7a05
# File: src/validation.cpp:377-377
# Review: APPROVED; outcome: SURVIVED
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -377,1 +377,1 @@
-                if (coin.IsCoinBase() && mempool_spend_height - coin.nHeight < COINBASE_MATURITY) {
+                if (coin.IsCoinBase() && mempool_spend_height - coin.nHeight <= COINBASE_MATURITY) {