# MutantHub mutant #18: Arithmetic operator mutation at addrman.cpp:251
# Repository: bitcoin/bitcoin @ ca45461ddb2421b4267dad0b7d7bcec88c07eba4
# File: src/addrman.cpp:251-251
# Review: APPROVED; outcome: KILLED
--- a/src/addrman.cpp
+++ b/src/addrman.cpp
@@ -251,1 +251,1 @@
-    const uint8_t lowest_compatible = compat - INCOMPATIBILITY_BASE;
+    const uint8_t lowest_compatible = compat + INCOMPATIBILITY_BASE;