# MutantHub mutant #705: Arithmetic operator mutation at descriptor.cpp:1313
# Repository: bitcoin/bitcoin @ 1aafd49077041e874d6b5f114927bc37e5b85d71
# File: src/script/descriptor.cpp:1313-1313
# Review: APPROVED; outcome: KILLED
--- a/src/script/descriptor.cpp
+++ b/src/script/descriptor.cpp
@@ -1313,1 +1313,1 @@
-        return 1 + BuildScript(n_keys).size() + BuildScript(m_threshold).size() + pubkeys_size;
+        return 1 - BuildScript(n_keys).size() + BuildScript(m_threshold).size() + pubkeys_size;