diff --git a/conf/autoload_configs/event_multicast.conf.xml b/conf/autoload_configs/event_multicast.conf.xml
index 9f2091df35..edee82cb7e 100644
--- a/conf/autoload_configs/event_multicast.conf.xml
+++ b/conf/autoload_configs/event_multicast.conf.xml
@@ -3,6 +3,7 @@
     <param name="address" value="225.1.1.1"/>
     <param name="port" value="4242"/>
     <param name="bindings" value="all"/>
+    <param name="ttl" value="1"/>
   </settings>
 </configuration>