# MutantHub mutant #9: Arithmetic operator mutation at addrman.cpp:183
# Repository: bitcoin/bitcoin @ ca45461ddb2421b4267dad0b7d7bcec88c07eba4
# File: src/addrman.cpp:183-183
# Review: APPROVED; outcome: KILLED
--- a/src/addrman.cpp
+++ b/src/addrman.cpp
@@ -183,1 +183,1 @@
-    s << static_cast<uint8_t>(INCOMPATIBILITY_BASE + lowest_compatible);
+    s << static_cast<uint8_t>(INCOMPATIBILITY_BASE - lowest_compatible);