diff --git a/AssetStudio/ImportHelper.cs b/AssetStudio/ImportHelper.cs
index 1ebee94..1058041 100644
--- a/AssetStudio/ImportHelper.cs
+++ b/AssetStudio/ImportHelper.cs
@@ -277,11 +277,6 @@ public static FileReader DecryptMark(FileReader reader)
         public static FileReader DecryptEnsembleStar(FileReader reader)
         {
             Logger.Verbose($"Attempting to decrypt file {reader.FileName} with Ensemble Star encryption");
-            if (Path.GetExtension(reader.FileName) != ".z")
-            {
-                Logger.Verbose($"Expected file extension .z, found {Path.GetExtension(reader.FileName)} instead, aborting...");
-                return reader;
-            }
             using (reader)
             {
                 var data = reader.ReadBytes((int)reader.Length);