diff --git a/pack-vid b/pack-vid
index e5e36db..17ca5d6 100755
--- a/pack-vid
+++ b/pack-vid
@@ -133,7 +133,7 @@ function convert( $src, $dest, $options ) {
     $filters = [ "scale=w=$scaleWidth:h=$scaleHeight" ];
     if ( $hdr ) {
         $filters[] = "zscale=t=linear:p=bt709";
-        $filters[] = "tonemap=hable";
+        $filters[] = "tonemap=hable:peak=8";
         $filters[] = "zscale=t=bt709:m=bt709:r=full";
     }
     $filters[] = "format=yuv420p";