diff --git a/hevc-fix b/hevc-fix
index 66b0174..816c0e0 100755
--- a/hevc-fix
+++ b/hevc-fix
@@ -1 +1,8 @@
-ffmpeg -i "$1" -acodec copy -vcodec copy -tag:v hvc1 -movflags +faststart "${1%.mkv}.mp4"
+ffmpeg -i "$1" \
+    -acodec copy \
+    -vcodec copy \
+    -tag:v hvc1 \
+    -colorspace bt2020nc \
+    -color_primaries bt2020 \
+    -color_trc smpte2084 \
+    "${1%.mkv}.mp4"