diff --git a/gtests/net/packetdrill/sctp_chunk_to_string.c b/gtests/net/packetdrill/sctp_chunk_to_string.c
index 3545fb1063bb0893e1bdb41654ac5face7d93544..8ab9d93acb2128d68c7c80c35f767a04e6e161ff 100644
--- a/gtests/net/packetdrill/sctp_chunk_to_string.c
+++ b/gtests/net/packetdrill/sctp_chunk_to_string.c
@@ -422,7 +422,9 @@ static int sctp_reconfig_response_parameter_to_string(
 	u32 receiver_next_tsn;
 
 	length = ntohs(parameter->length);
-	if (length != sizeof(struct sctp_reconfig_response_parameter)) {
+	// filter correct length
+	if (!(length == sizeof(struct sctp_reconfig_response_parameter)) &&
+	    !(length != sizeof(struct sctp_reconfig_response_parameter) - 8)) {
 		fputs("invalid RECONFIG_RESPONSE parameter", s);
 		asprintf(error, "RECONFIG_RESPONSE parameter illegal (length=%u)",
 		         length);