diff --git a/include/rfb-proto.h b/include/rfb-proto.h
index 1fdf895..223e29f 100644
--- a/include/rfb-proto.h
+++ b/include/rfb-proto.h
@@ -60,6 +60,7 @@ enum rfb_encodings {
 	RFB_ENCODING_TIGHT = 7,
 	RFB_ENCODING_TRLE = 15,
 	RFB_ENCODING_ZRLE = 16,
+	RFB_ENCODING_OPEN_H264 = 50,
 	RFB_ENCODING_CURSOR = -239,
 	RFB_ENCODING_DESKTOPSIZE = -223,
 	RFB_ENCODING_JPEG_HIGHQ = -23,