# MutantHub mutant #493: Logical operator mutation at psbt.cpp:533
# Repository: bitcoin/bitcoin @ 2f72123f613f3aa1484ed06344039be78dedcb33
# File: src/psbt.cpp:533-533
# Review: APPROVED; outcome: SURVIVED
--- a/src/psbt.cpp
+++ b/src/psbt.cpp
@@ -533,1 +533,1 @@
-    return redeem_script.empty() && witness_script.empty() && hd_keypaths.empty() && unknown.empty();
+    return redeem_script.empty() || witness_script.empty() && hd_keypaths.empty() && unknown.empty();