diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
index dc8af2f7b6..df7a8564df 100644
--- a/libavformat/dashenc.c
+++ b/libavformat/dashenc.c
@@ -211,7 +211,7 @@ static void set_vp9_codec_str(AVFormatContext *s, AVCodecParameters *par,
     VPCC vpcc;
     int ret = ff_isom_get_vpcc_features(s, par, frame_rate, &vpcc);
     if (ret == 0) {
-        av_strlcatf(str, size, "vp09.%02x.%02d.%02d",
+        av_strlcatf(str, size, "vp09.%02d.%02d.%02d",
                     vpcc.profile, vpcc.level, vpcc.bitdepth);
     } else {
         // Default to just vp9 in case of error while finding out profile or level