diff --git a/conf/main_ipv4.conf.sample b/conf/main_ipv4.conf.sample
index 0ec150b..b27d39f 100644
--- a/conf/main_ipv4.conf.sample
+++ b/conf/main_ipv4.conf.sample
@@ -1989,7 +1989,7 @@ kernel_activate_forwarding=true
 # - ...
 # -
 kernel_support_dynaddr=true
-dynaddr_flag="5"
+dynaddr_flag="3"
 
 # - Reduce DoS'ing ability by reducing timeouts
 # -