# MutantHub mutant #853: Constant replacement mutation at descriptor.cpp:2256
# Repository: bitcoin/bitcoin @ 1aafd49077041e874d6b5f114927bc37e5b85d71
# File: src/script/descriptor.cpp:2256-2256
# Review: APPROVED; outcome: KILLED
--- a/src/script/descriptor.cpp
+++ b/src/script/descriptor.cpp
@@ -2256,1 +2256,1 @@
-        return m_keys.at(key).at(0)->ToString();
+        return m_keys.at(key).at(0 - 1)->ToString();