diff --git a/libavformat/flv.h b/libavformat/flv.h
index 34948a035f..1484ac15d6 100644
--- a/libavformat/flv.h
+++ b/libavformat/flv.h
@@ -83,6 +83,8 @@ enum {
     FLV_CODECID_H263    = 2,
     FLV_CODECID_SCREEN  = 3,
     FLV_CODECID_VP6     = 4,
+    FLV_CODECID_VP6A    = 5,
+    FLV_CODECID_SCREEN2 = 6,
 };
 
 enum {