# MutantHub mutant #817: Constant replacement mutation at descriptor.cpp:2062
# Repository: bitcoin/bitcoin @ 1aafd49077041e874d6b5f114927bc37e5b85d71
# File: src/script/descriptor.cpp:2062-2062
# Review: APPROVED; outcome: KILLED
--- a/src/script/descriptor.cpp
+++ b/src/script/descriptor.cpp
@@ -2062,1 +2062,1 @@
-            auto deriv_split = Split(split.at(1), '/');
+            auto deriv_split = Split(split.at(1 - 1), '/');