# MutantHub mutant #647: Logical operator mutation at descriptor.cpp:712
# Repository: bitcoin/bitcoin @ 1aafd49077041e874d6b5f114927bc37e5b85d71
# File: src/script/descriptor.cpp:712-712
# Review: APPROVED; outcome: KILLED
--- a/src/script/descriptor.cpp
+++ b/src/script/descriptor.cpp
@@ -712,1 +712,1 @@
-    bool IsRange() const override { return IsRangedDerivation() || m_ranged_participants; }
+    bool IsRange() const override { return IsRangedDerivation() && m_ranged_participants; }
