# MutantHub mutant #1122: Logical operator mutation at interpreter.cpp:217
# Repository: bitcoin/bitcoin @ 05e49b342faa1412266951429c135e9f5daa30c2
# File: src/script/interpreter.cpp:217-217
# Review: APPROVED; outcome: KILLED
--- a/src/script/interpreter.cpp
+++ b/src/script/interpreter.cpp
@@ -217,1 +217,1 @@
-    if ((flags & (SCRIPT_VERIFY_DERSIG | SCRIPT_VERIFY_LOW_S | SCRIPT_VERIFY_STRICTENC)) != 0 && !IsValidSignatureEncoding(vchSig)) {
+    if ((flags & (SCRIPT_VERIFY_DERSIG | SCRIPT_VERIFY_LOW_S | SCRIPT_VERIFY_STRICTENC)) != 0 || !IsValidSignatureEncoding(vchSig)) {