diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index 6dbc3c1f7..6e2711afa 100644
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -1347,6 +1347,9 @@ char *SSL_get_shared_ciphers(const SSL *s,char *buf,int len)
 		(len < 2))
 		return(NULL);
 
+	if (sk_SSL_CIPHER_num(sk) == 0)
+		return NULL;
+
 	p=buf;
 	sk=s->session->ciphers;
 	for (i=0; i<sk_SSL_CIPHER_num(sk); i++)