diff --git a/clean-playlist.lua b/clean-playlist.lua
index 6d96c2e..92e346c 100644
--- a/clean-playlist.lua
+++ b/clean-playlist.lua
@@ -1,33 +1,26 @@
+local ext = { 
+    "mkv","mp4","webm","wmv","avi","3gp","ogv","mpg","mpeg","mov","vob" ,"ts","m2ts","divx","flv","asf","m4v","h264","h265","rmvb","rm","ogm"
+}
+
+local valid = {}
+for i = 1, #ext do
+    valid[ext[i]] = true
+end
+
 local function main()
     local playlist = mp.get_property_native('playlist')
     local skipCurrent = false
     for i = #playlist, 1, -1 do
         local ext = string.match(playlist[i].filename, "%.([^.]+)$")
-        if(ext ~= nil) then
-            ext = ext:lower()
-            if(     ext ~= "mkv" 
-                and ext ~= "mp4" 
-                and ext ~= "webm"
-                and ext ~= "wmv"
-                and ext ~= "avi" 
-                and ext ~= "mpg" 
-                and ext ~= "mpeg"
-                and ext ~= "mov" 
-                and ext ~= "vob" 
-                and ext ~= "ts" 
-                and ext ~= "m2ts" 
-                and ext ~= "divx"
-                and ext ~= "flv"
-                and ext ~= "asf"
-                and ext ~= "m4v"
-                and ext ~= "h264"
-                and ext ~= "rmvb"
-                and ext ~= "ogm") then
-                    if(playlist[i].current) then
-                        skipCurrent = true
-                    else
-                        mp.commandv('playlist-remove',i-1)     
-                    end
+        if(ext == nil) then ext = '' end
+        ext = string.lower(ext)
+        if(valid[ext]) then
+            --do nothing
+        else
+            if(playlist[i].current) then
+                skipCurrent = true
+            else
+                mp.commandv('playlist-remove',i-1)     
             end
         end
     end