# MutantHub mutant #410: Relational operator mutation at psbt.cpp:216
# Repository: bitcoin/bitcoin @ 2f72123f613f3aa1484ed06344039be78dedcb33
# File: src/psbt.cpp:216-216
# Review: APPROVED; outcome: SURVIVED
--- a/src/psbt.cpp
+++ b/src/psbt.cpp
@@ -216,1 +216,1 @@
-                if (height_lock == std::nullopt) {
+                if (height_lock != std::nullopt) {