# MutantHub mutant #2687: Arithmetic operator mutation at field_5x52_impl.h:317
# Repository: bitcoin-core/secp256k1 @ a39093de15345a330fc8acbd09515fd150853bc8
# File: src/field_5x52_impl.h:317-317
# Review: APPROVED; outcome: KILLED
--- a/src/field_5x52_impl.h
+++ b/src/field_5x52_impl.h
@@ -317,1 +317,1 @@
-    r->n[3] = 0xFFFFFFFFFFFFFULL * 2 * (m + 1) - a->n[3];
+    r->n[3] = 0xFFFFFFFFFFFFFULL * 2 * (m + 1) + a->n[3];
