diff --git a/tools/testing/selftests/net/mptcp/config b/tools/testing/selftests/net/mptcp/config
index 1a4c11a444d9..8867c40258b5 100644
--- a/tools/testing/selftests/net/mptcp/config
+++ b/tools/testing/selftests/net/mptcp/config
@@ -6,3 +6,4 @@ CONFIG_INET_DIAG=m
 CONFIG_INET_MPTCP_DIAG=m
 CONFIG_VETH=y
 CONFIG_NET_SCH_NETEM=m
+CONFIG_SYN_COOKIES=y