diff --git a/libavcodec/cbs_vp9_syntax_template.c b/libavcodec/cbs_vp9_syntax_template.c
index 0db0f52a6d..b4a7f65e85 100644
--- a/libavcodec/cbs_vp9_syntax_template.c
+++ b/libavcodec/cbs_vp9_syntax_template.c
@@ -65,6 +65,7 @@ static int FUNC(color_config)(CodedBitstreamContext *ctx, RWContext *rw,
         if (profile == 1 || profile == 3) {
             infer(subsampling_x, 0);
             infer(subsampling_y, 0);
+            f(1, color_config_reserved_zero);
         }
     }