diff --git a/YoutubeExtractor/YoutubeExtractor/DownloadUrlResolver.cs b/YoutubeExtractor/YoutubeExtractor/DownloadUrlResolver.cs
index 6896edf..7cc3f00 100644
--- a/YoutubeExtractor/YoutubeExtractor/DownloadUrlResolver.cs
+++ b/YoutubeExtractor/YoutubeExtractor/DownloadUrlResolver.cs
@@ -230,7 +230,7 @@ private static string GetDecipheredSignature(string htmlPlayerVersion, string si
 
         private static string GetHtml5PlayerVersion(JObject json)
         {
-            var regex = new Regex(@"player-(.+?).js");
+            var regex = new Regex(@"player_ias-(.+?).js");
 
             string js = json["assets"]["js"].ToString();