diff --git a/common/ASC.Data.Storage/S3/S3Storage.cs b/common/ASC.Data.Storage/S3/S3Storage.cs
index dbcb65dae47..8b5cdcfdca9 100644
--- a/common/ASC.Data.Storage/S3/S3Storage.cs
+++ b/common/ASC.Data.Storage/S3/S3Storage.cs
@@ -222,7 +222,10 @@ public override Task<Uri> GetCdnPreSignedUriAsync(string domain, string path, Ti
                       DateTime.UtcNow.Add(expire));
         }
 
-        return Task.FromResult(new Uri(signedUrl));
+
+        var signedUri = new Uri(signedUrl, new UriCreationOptions { DangerousDisablePathAndQueryCanonicalization = true });
+
+        return Task.FromResult(signedUri);
     }
 
     public override Task<Stream> GetReadStreamAsync(string domain, string path)