# MutantHub mutant #523: Logical operator mutation at psbt.cpp:704
# Repository: bitcoin/bitcoin @ 2f72123f613f3aa1484ed06344039be78dedcb33
# File: src/psbt.cpp:704-704
# Review: APPROVED; outcome: KILLED
--- a/src/psbt.cpp
+++ b/src/psbt.cpp
@@ -704,1 +704,1 @@
-                                            (sighash != SIGHASH_DEFAULT && sighash != SIGHASH_ALL)) {
+                                            (sighash != SIGHASH_DEFAULT || sighash != SIGHASH_ALL)) {