diff --git a/ssl/statem/statem_clnt.c b/ssl/statem/statem_clnt.c
index f224da6..d770706 100644
--- a/ssl/statem/statem_clnt.c
+++ b/ssl/statem/statem_clnt.c
@@ -3650,8 +3650,13 @@
     int i;
     size_t totlen = 0, len, maxlen, maxverok = 0;
     int empty_reneg_info_scsv = !s->renegotiate;
+
     /* Set disabled masks for this session */
-    ssl_set_client_disabled(s);
+    if (!ssl_set_client_disabled(s)) {
+        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_CIPHER_LIST_TO_BYTES,
+                 SSL_R_NO_PROTOCOLS_AVAILABLE);
+        return 0;
+    }
 
     if (sk == NULL) {
         SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_CIPHER_LIST_TO_BYTES,