diff --git a/video/software/src/decoder/vp6.rs b/video/software/src/decoder/vp6.rs
index 4323dd7e53d1..9d6acf22adec 100644
--- a/video/software/src/decoder/vp6.rs
+++ b/video/software/src/decoder/vp6.rs
@@ -130,8 +130,8 @@ impl VideoDecoder for Vp6Decoder {
                 .map_err(Vp6Error::DecoderError)?;
 
             let video_info = NAVideoInfo::new(
-                header.disp_w as usize * 16,
-                header.disp_h as usize * 16,
+                header.mb_w as usize * 16,
+                header.mb_h as usize * 16,
                 true,
                 if self.with_alpha {
                     VP_YUVA420_FORMAT