diff --git a/libavcodec/bytestream.h b/libavcodec/bytestream.h
index 136e5842e3247badc5186d9f70f55385d02bab1f..d1e9f82ed733dbb6c6c574a0b1ebdb52ee154f9e 100644
--- a/libavcodec/bytestream.h
+++ b/libavcodec/bytestream.h
@@ -33,6 +33,7 @@ static av_always_inline void bytestream_put_ ##name(uint8_t **b, const unsigned
 };
 
 DEF(le32, 4, AV_RL32, AV_WL32)
+DEF(le24, 3, AV_RL24, AV_WL24)
 DEF(le16, 2, AV_RL16, AV_WL16)
 DEF(be32, 4, AV_RB32, AV_WB32)
 DEF(be24, 3, AV_RB24, AV_WB24)