# MutantHub mutant #1177: Logical operator mutation at interpreter.cpp:345
# Repository: bitcoin/bitcoin @ 05e49b342faa1412266951429c135e9f5daa30c2
# File: src/script/interpreter.cpp:345-345
# Review: APPROVED; outcome: KILLED
--- a/src/script/interpreter.cpp
+++ b/src/script/interpreter.cpp
@@ -345,1 +345,1 @@
-    if (!CheckSignatureEncoding(vchSig, flags, serror) || !CheckPubKeyEncoding(vchPubKey, flags, sigversion, serror)) {
+    if (!CheckSignatureEncoding(vchSig, flags, serror) && !CheckPubKeyEncoding(vchPubKey, flags, sigversion, serror)) {