diff --git a/osu.Game/Utils/ZipUtils.cs b/osu.Game/Utils/ZipUtils.cs
index 16eb1c7e4e..eb2d2d3b80 100644
--- a/osu.Game/Utils/ZipUtils.cs
+++ b/osu.Game/Utils/ZipUtils.cs
@@ -9,7 +9,7 @@ namespace osu.Game.Utils
 {
     public static class ZipUtils
     {
-        public static bool IsZipArchive(Stream stream)
+        public static bool IsZipArchive(MemoryStream stream)
         {
             try
             {