diff --git a/sys/security/mac_portacl/mac_portacl.c b/sys/security/mac_portacl/mac_portacl.c
index 17427ee200f3..3dd48c16ebc4 100644
--- a/sys/security/mac_portacl/mac_portacl.c
+++ b/sys/security/mac_portacl/mac_portacl.c
@@ -487,3 +487,4 @@ static struct mac_policy_ops portacl_ops =
 
 MAC_POLICY_SET(&portacl_ops, mac_portacl, "TrustedBSD MAC/portacl",
     MPC_LOADTIME_FLAG_UNLOADOK, NULL);
+MODULE_VERSION(mac_portacl, 1);