# MutantHub mutant #485: Logical operator mutation at psbt.cpp:473
# Repository: bitcoin/bitcoin @ 2f72123f613f3aa1484ed06344039be78dedcb33
# File: src/psbt.cpp:473-473
# Review: APPROVED; outcome: SURVIVED
--- a/src/psbt.cpp
+++ b/src/psbt.cpp
@@ -473,1 +473,1 @@
-           || !m_tap_script_sigs.empty()
+           && !m_tap_script_sigs.empty()