diff --git a/fix-sub-color.sh b/fix-sub-color.sh
new file mode 100755
index 0000000..69fd70b
--- /dev/null
+++ b/fix-sub-color.sh
@@ -0,0 +1,50 @@
+# get the extension...
+ext="${1##*.}"
+
+# ...and verify it's an mkv movie
+if [[ "$ext" != "mkv" ]]
+then
+	echo "Not an mkv"
+	exit -1
+fi
+
+# get the base name without extension
+base="${1%.$ext}"
+
+# ids of sub tracks
+subIds=()
+# language ids
+langs=()
+# build up params to mkvmerge
+params=()
+# files to delete
+del=()
+
+# get track info with mkvmerge -i and jq to parse (see 'here' string below), then read id...
+while read i
+do
+	# ...and language (strip quote)
+	read l
+	l=${l:1: -1}
+
+	subIds+=("$i")
+	langs+=("$l")
+	params+=(--language "0:$l" "subs$i.idx")
+	del+=("subs$i.idx" "subs$i.sub")
+
+	# extract subs...
+	mkvextract "$1" tracks "$i:subs$i"
+	# ...and replace colors
+	sed -i -e 's/^palette:.*$/palette: 000000, FFFFFF, FF0000, 00FF00, 0000FF, FFFF00, FF00FF, 00FFFF, FF8800, 88FF00, FF0088, 8800FF, 00FF88, 0088FF, 333333, 999999/' "subs$i.idx"
+done <<< $( mkvmerge -F json -i "$1" | jq '.tracks[] | select(.codec == "VobSub") | .id, .properties.language' )
+
+function join_by { local d=$1; shift; local f=$1; shift; printf %s "$f" "${@/#/$d}"; }
+
+# store a backup
+mv "$1" "${base}_OLD_SUBS.$ext.SKIP"
+
+# merge the sub tracks back in
+mkvmerge -o "$1" -s '!'"$(join_by "," ${subIds[@]})" "${base}_OLD_SUBS.$ext.SKIP" ${params[@]}
+
+# delete tmp files
+rm ${del[@]}