diff --git a/net/sctp/auth.c b/net/sctp/auth.c
index 6d5fa6b..6d89e35 100644
--- a/net/sctp/auth.c
+++ b/net/sctp/auth.c
@@ -631,7 +631,7 @@
 	int found = 0;
 	int i;
 
-	if (!param)
+	if (!param || param->param_hdr.length == 0)
 		return 0;
 
 	len = ntohs(param->param_hdr.length) - sizeof(sctp_paramhdr_t);