diff --git a/build_debian.sh b/build_debian.sh
index ab8bb81824..10d1539381 100755
--- a/build_debian.sh
+++ b/build_debian.sh
@@ -306,6 +306,7 @@ set /files/etc/sysctl.conf/net.ipv6.conf.all.accept_dad 0
 set /files/etc/sysctl.conf/net.ipv6.conf.eth0.accept_dad 0
 
 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.core.rmem_max 2097152
 set /files/etc/sysctl.conf/net.core.wmem_max 2097152