diff --git a/libavcodec/bmp.c b/libavcodec/bmp.c
index 3418edc181..81ecf6e50b 100644
--- a/libavcodec/bmp.c
+++ b/libavcodec/bmp.c
@@ -115,7 +115,7 @@ static int bmp_decode_frame(AVCodecContext *avctx,
 
     depth = bytestream_get_le16(&buf);
 
-    if(ihsize == 40)
+    if(ihsize == 40 || ihsize == 64)
         comp = bytestream_get_le32(&buf);
     else
         comp = BMP_RGB;