diff --git a/Server/Core/Helper/Helper.cs b/Server/Core/Helper/Helper.cs
index d37fbbb8..6350e4e8 100644
--- a/Server/Core/Helper/Helper.cs
+++ b/Server/Core/Helper/Helper.cs
@@ -9,7 +9,7 @@ public static class Helper
     {
         private const string CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
         private static readonly Random _rnd = new Random(Environment.TickCount);
-        private const string[] sizes = { "B", "KB", "MB", "GB" };
+        private const string[] sizes = new string[] { "B", "KB", "MB", "GB" };
 
         public static string GetRandomFilename(int length, string extension)
         {