diff --git a/lib/encode.sh b/lib/encode.sh
index 604ceb1..9cd00d2 100644
--- a/lib/encode.sh
+++ b/lib/encode.sh
@@ -339,11 +339,13 @@ gen_encode_script() {
         "spy-rd=1"
         "psy-rd=1"
         "sharpness=3"
-        "enable-overlays=1"
+        "enable-overlays=0"
+        "hbd-mds=1"
         "scd=1"
         "fast-decode=1"
         "enable-variance-boost=1"
         "enable-qm=1"
+        "chroma-qm-min-10"
         "qm-min=4"
         "qm-max=15"
     )