# MutantHub mutant #481: Logical operator mutation at psbt.cpp:462
# Repository: bitcoin/bitcoin @ 2f72123f613f3aa1484ed06344039be78dedcb33
# File: src/psbt.cpp:462-462
# Review: APPROVED; outcome: SURVIVED
--- a/src/psbt.cpp
+++ b/src/psbt.cpp
@@ -462,1 +462,1 @@
-    if (height_locktime == std::nullopt && input.height_locktime != std::nullopt) height_locktime = input.height_locktime;
+    if (height_locktime == std::nullopt || input.height_locktime != std::nullopt) height_locktime = input.height_locktime;