diff --git a/dist/mercury/segatools.ini b/dist/mercury/segatools.ini
index 0b9ffdd..fbb238c 100644
--- a/dist/mercury/segatools.ini
+++ b/dist/mercury/segatools.ini
@@ -30,7 +30,7 @@ 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=192.168.250.0
+subnet=192.168.174.0
 
 [gfx]
 enable=1