diff --git a/include/polarssl/ssl.h b/include/polarssl/ssl.h
index 16a6dac..04be34d 100644
--- a/include/polarssl/ssl.h
+++ b/include/polarssl/ssl.h
@@ -1766,6 +1766,7 @@
 
 int ssl_send_fatal_handshake_failure( ssl_context *ssl );
 
+void ssl_reset_checksum( ssl_context *ssl );
 int ssl_derive_keys( ssl_context *ssl );
 
 int ssl_read_record( ssl_context *ssl );