diff --git a/build_debian.sh b/build_debian.sh
index 9b9cf32953..d7ff053581 100755
--- a/build_debian.sh
+++ b/build_debian.sh
@@ -343,6 +343,7 @@ set /files/etc/sysctl.conf/net.ipv6.conf.all.keep_addr_on_down 1
 set /files/etc/sysctl.conf/net.ipv6.conf.eth0.keep_addr_on_down 1
 
 set /files/etc/sysctl.conf/net.ipv6.conf.eth0.accept_ra_defrtr 0
+set /files/etc/sysctl.conf/net.ipv6.conf.eth0.accept_ra 0
 
 set /files/etc/sysctl.conf/net.ipv4.tcp_l3mdev_accept 1
 set /files/etc/sysctl.conf/net.ipv4.udp_l3mdev_accept 1