diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 9bb80ec4c08ff06f6e629078c5a926c3def3ce23..5ca2ebfe0be83882fcb841de6fa8029b6455ef85 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -6636,6 +6636,7 @@ static int sctp_msghdr_parse(const struct msghdr *msg, sctp_cmsgs_t *cmsgs)
 
 			if (cmsgs->srinfo->sinfo_flags &
 			    ~(SCTP_UNORDERED | SCTP_ADDR_OVER |
+			      SCTP_SACK_IMMEDIATELY |
 			      SCTP_ABORT | SCTP_EOF))
 				return -EINVAL;
 			break;
@@ -6659,6 +6660,7 @@ static int sctp_msghdr_parse(const struct msghdr *msg, sctp_cmsgs_t *cmsgs)
 
 			if (cmsgs->sinfo->snd_flags &
 			    ~(SCTP_UNORDERED | SCTP_ADDR_OVER |
+			      SCTP_SACK_IMMEDIATELY |
 			      SCTP_ABORT | SCTP_EOF))
 				return -EINVAL;
 			break;