diff --git a/libvncclient/tls_none.c b/libvncclient/tls_none.c
index 6147896..91a9f93 100644
--- a/libvncclient/tls_none.c
+++ b/libvncclient/tls_none.c
@@ -17,6 +17,8 @@
  *  USA.
  */
 
+#include <rfb/rfbclient.h>
+#include <errno.h>
 #include "tls.h"
 
 rfbBool HandleAnonTLSAuth(rfbClient* client)