diff --git a/sys/netinet/sctp_indata.c b/sys/netinet/sctp_indata.c
index 6cac99db3948..02b848fcbc26 100644
--- a/sys/netinet/sctp_indata.c
+++ b/sys/netinet/sctp_indata.c
@@ -2745,7 +2745,7 @@ sctp_process_data(struct mbuf **mm, int iphlen, int *offset, int length,
 			struct mbuf *op_err;
 			char msg[SCTP_DIAG_INFO_LEN];
 
-			SCTP_SNPRINTF(msg, sizeof(msg), "%s", "I-DATA chunk received when DATA was negotiated");
+			SCTP_SNPRINTF(msg, sizeof(msg), "%s", "DATA chunk received when I-DATA was negotiated");
 			op_err = sctp_generate_cause(SCTP_CAUSE_PROTOCOL_VIOLATION, msg);
 			stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_INDATA + SCTP_LOC_20;
 			sctp_abort_an_association(inp, stcb, op_err, SCTP_SO_NOT_LOCKED);
@@ -2756,7 +2756,7 @@ sctp_process_data(struct mbuf **mm, int iphlen, int *offset, int length,
 			struct mbuf *op_err;
 			char msg[SCTP_DIAG_INFO_LEN];
 
-			SCTP_SNPRINTF(msg, sizeof(msg), "%s", "DATA chunk received when I-DATA was negotiated");
+			SCTP_SNPRINTF(msg, sizeof(msg), "%s", "I-DATA chunk received when DATA was negotiated");
 			op_err = sctp_generate_cause(SCTP_CAUSE_PROTOCOL_VIOLATION, msg);
 			stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_INDATA + SCTP_LOC_21;
 			sctp_abort_an_association(inp, stcb, op_err, SCTP_SO_NOT_LOCKED);