# MutantHub mutant #2413: Arithmetic operator mutation at ecdsa_impl.h:185
# Repository: bitcoin-core/secp256k1 @ a9a61831bdcd97475e200a4bdd1ebed641f7268d
# File: src/ecdsa_impl.h:185-185
# Review: APPROVED; outcome: KILLED
--- a/src/ecdsa_impl.h
+++ b/src/ecdsa_impl.h
@@ -185,1 +185,1 @@
-    sig[1] = 4 + lenS + lenR;
+    sig[1] = 4 - lenS + lenR;