diff --git a/Changelog.md b/Changelog.md
index a2ec649..b02fdd5 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -2,8 +2,9 @@
 5.4.8.7 Beta (202?-??-??)
 =========================
 
-- history feature can be configured to ingore defined paths/keywords:
-  script-opt = history-discard=path1;path2
+- history feature can be configured to ingore defined strings:
+  script-opt = history-discard=value1;value2
+- Web stream audio and subtitle track selection.
 
 
 5.4.8.6 Beta (2020-12-24)
diff --git a/mpv.net/mpv/Core.cs b/mpv.net/mpv/Core.cs
index eed6747..dfcc20f 100644
--- a/mpv.net/mpv/Core.cs
+++ b/mpv.net/mpv/Core.cs
@@ -997,6 +997,9 @@ namespace mpvnet
                         if (left == "script")
                             left = "scripts";
 
+                        if (left == "external-file")
+                            left = "external-files";
+
                         if (preInit && preInitProperties.Contains(left))
                         {
                             core.ProcessProperty(left, right);
@@ -1274,7 +1277,7 @@ namespace mpvnet
             {
                 MediaTracks.Clear();
 
-                if (path.ToLowerEx().StartsWithEx("bd://") || path.ToLowerEx().StartsWithEx("dvd://"))
+                if (path.ToLowerEx().Contains("://"))
                 {
                     int count = core.get_property_int("track-list/count");