diff --git a/gtests/net/packetdrill/tests/bsd/sctp/sctp_init_rtx.pkt b/gtests/net/packetdrill/tests/bsd/sctp/sctp_init_rtx.pkt
index ca3fd455264fd189f123f1d958af1d5469d908f8..ed3759cd09697ed5d1a6f876dabe4a7680eb9046 100644
--- a/gtests/net/packetdrill/tests/bsd/sctp/sctp_init_rtx.pkt
+++ b/gtests/net/packetdrill/tests/bsd/sctp/sctp_init_rtx.pkt
@@ -1,3 +1,10 @@
+ 0.0 `sysctl -w net.inet.sctp.ecn_enable=0`
++0.0 `sysctl -w net.inet.sctp.pr_enable=0`
++0.0 `sysctl -w net.inet.sctp.asconf_enable=0`
++0.0 `sysctl -w net.inet.sctp.auth_enable=0`
++0.0 `sysctl -w net.inet.sctp.reconfig_enable=0`
++0.0 `sysctl -w net.inet.sctp.nrsack_enable=0`
++0.0 `sysctl -w net.inet.sctp.pktdrop_enable=0`
 +0.0 socket(..., SOCK_STREAM, IPPROTO_SCTP) = 3
 +0.0 bind(3, ..., ...) = 0
 +0.0 fcntl(3, F_GETFL) = 0x2 (flags O_RDWR)