diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 88de5de..8f635a5 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -4908,6 +4908,8 @@
 
     ssl_set_ciphersuites( ssl, ssl_list_ciphersuites() );
 
+    ssl_set_arc4_support( ssl, SSL_ARC4_DISABLED );
+
 #if defined(POLARSSL_SSL_RENEGOTIATION)
     ssl->renego_max_records = SSL_RENEGO_MAX_RECORDS_DEFAULT;
     memset( ssl->renego_period, 0xFF, 7 );