diff --git a/dist/chuni/segatools.ini b/dist/chuni/segatools.ini
index e94c4052..73855469 100644
--- a/dist/chuni/segatools.ini
+++ b/dist/chuni/segatools.ini
@@ -23,7 +23,7 @@ enable=1
 ; The /24 LAN subnet that the emulated keychip will tell the game to expect.
 ; If you disable netenv then you must set this to your LAN's IP subnet, and
 ; that subnet must start with 192.168.
-subnet=192.168.100.0
+subnet=192.168.139.0
 
 [gfx]
 ; Force the game to run windowed.