diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 5f080de..a091d8a 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -3977,6 +3977,11 @@
     }
 }
 
+void ssl_set_arc4_support( ssl_context *ssl, char arc4 )
+{
+    ssl->arc4_disabled = arc4;
+}
+
 #if defined(POLARSSL_SSL_MAX_FRAGMENT_LENGTH)
 int ssl_set_max_frag_len( ssl_context *ssl, unsigned char mfl_code )
 {