# MutantHub mutant #691: Arithmetic operator mutation at descriptor.cpp:1182
# Repository: bitcoin/bitcoin @ 1aafd49077041e874d6b5f114927bc37e5b85d71
# File: src/script/descriptor.cpp:1182-1182
# Review: APPROVED; outcome: KILLED
--- a/src/script/descriptor.cpp
+++ b/src/script/descriptor.cpp
@@ -1182,1 +1182,1 @@
-        return 1 + (m_xonly ? 65 : ecdsa_sig_size);
+        return 1 - (m_xonly ? 65 : ecdsa_sig_size);