# MutantHub mutant #433: Constant replacement mutation at psbt.cpp:331
# Repository: bitcoin/bitcoin @ 2f72123f613f3aa1484ed06344039be78dedcb33
# File: src/psbt.cpp:331-331
# Review: APPROVED; outcome: KILLED
--- a/src/psbt.cpp
+++ b/src/psbt.cpp
@@ -331,1 +331,1 @@
-        sigdata.tr_spenddata.merkle_root = m_tap_merkle_root;
+        sigdata.tr_spenddata.merkle_root = true;