# MutantHub mutant #2677: Relational operator mutation at field_5x52_impl.h:179
# Repository: bitcoin-core/secp256k1 @ a39093de15345a330fc8acbd09515fd150853bc8
# File: src/field_5x52_impl.h:179-179
# Review: APPROVED; outcome: KILLED
--- a/src/field_5x52_impl.h
+++ b/src/field_5x52_impl.h
@@ -179,1 +179,1 @@
-    if ((z0 != 0ULL) & (z1 != 0xFFFFFFFFFFFFFULL)) {
+    if ((z0 == 0ULL) & (z1 != 0xFFFFFFFFFFFFFULL)) {