diff --git a/src/SharpCompress/Compressors/Deflate64/Deflate64Stream.cs b/src/SharpCompress/Compressors/Deflate64/Deflate64Stream.cs
index e18e85b5..3de390c6 100644
--- a/src/SharpCompress/Compressors/Deflate64/Deflate64Stream.cs
+++ b/src/SharpCompress/Compressors/Deflate64/Deflate64Stream.cs
@@ -2,7 +2,6 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
-
 using System;
 using System.Diagnostics;
 using System.IO;
@@ -65,7 +64,7 @@ public sealed class Deflate64Stream : Stream, IStreamStack
             throw new ArgumentException("Deflate64: input stream is not readable", nameof(stream));
         }
 
-        _inflater = new InflaterManaged( true);
+        _inflater = new InflaterManaged(true);
 
         _stream = stream;
         _buffer = new byte[DEFAULT_BUFFER_SIZE];
@@ -74,7 +73,6 @@ public sealed class Deflate64Stream : Stream, IStreamStack
 #endif
     }
 
-
     public override bool CanRead => _stream.CanRead;
 
     public override bool CanWrite => false;
@@ -180,9 +178,6 @@ public sealed class Deflate64Stream : Stream, IStreamStack
     private static void ThrowStreamClosedException() =>
         throw new ObjectDisposedException(null, "Deflate64: stream has been disposed");
 
-
-
-
     [MethodImpl(MethodImplOptions.NoInlining)]
     private static void ThrowCannotWriteToDeflateManagedStreamException() =>
         throw new InvalidOperationException("Deflate64: cannot write to this stream");
@@ -229,7 +224,6 @@ public sealed class Deflate64Stream : Stream, IStreamStack
             }
             finally
             {
-
                 try
                 {
                     _inflater.Dispose();
diff --git a/tests/SharpCompress.Test/Mocks/ForwardOnlyStream.cs b/tests/SharpCompress.Test/Mocks/ForwardOnlyStream.cs
index d4b6dda3..c99d623b 100644
--- a/tests/SharpCompress.Test/Mocks/ForwardOnlyStream.cs
+++ b/tests/SharpCompress.Test/Mocks/ForwardOnlyStream.cs
@@ -57,7 +57,7 @@ public class ForwardOnlyStream : SharpCompressStream, IStreamStack
     public override bool CanRead => true;
 
     public override bool CanSeek => false;
-    public override bool CanWrite => false;
+    public override bool CanWrite => true;
 
     public override void Flush() { }
 
diff --git a/tests/SharpCompress.Test/Zip/Zip64AsyncTests.cs b/tests/SharpCompress.Test/Zip/Zip64AsyncTests.cs
index b939f068..ee392c5d 100644
--- a/tests/SharpCompress.Test/Zip/Zip64AsyncTests.cs
+++ b/tests/SharpCompress.Test/Zip/Zip64AsyncTests.cs
@@ -23,16 +23,14 @@ public class Zip64AsyncTests : WriterTests
     // 4GiB + 1
     private const long FOUR_GB_LIMIT = ((long)uint.MaxValue) + 1;
 
-    [Fact]
+    //[Fact]
     [Trait("format", "zip64")]
     public async Task Zip64_Single_Large_File_Async() =>
-        // One single file, requires zip64
         await RunSingleTestAsync(1, FOUR_GB_LIMIT, setZip64: true, forwardOnly: false);
 
-    [Fact]
+    //[Fact]
     [Trait("format", "zip64")]
     public async Task Zip64_Two_Large_Files_Async() =>
-        // One single file, requires zip64
         await RunSingleTestAsync(2, FOUR_GB_LIMIT, setZip64: true, forwardOnly: false);
 
     [Fact]
@@ -44,7 +42,6 @@ public class Zip64AsyncTests : WriterTests
     [Fact]
     [Trait("format", "zip64")]
     public async Task Zip64_Two_Small_files_stream_Async() =>
-        // Multiple files, does not require zip64, and works with streams
         await RunSingleTestAsync(2, FOUR_GB_LIMIT / 2, setZip64: false, forwardOnly: true);
 
     [Fact]
@@ -179,12 +176,10 @@ public class Zip64AsyncTests : WriterTests
             {
                 var b = (int)Math.Min(left, data.Length);
                 // Use synchronous Write to match the sync version and avoid ForwardOnlyStream issues
-                str.Write(data, 0, b);
+                await str.WriteAsync(data, 0, b);
                 left -= b;
             }
         }
-        // Adding await to make it properly async, even though the writes are sync
-        await Task.CompletedTask;
     }
 
     public async Task<Tuple<long, long>> ReadForwardOnlyAsync(string filename)
diff --git a/tests/SharpCompress.Test/Zip/Zip64Tests.cs b/tests/SharpCompress.Test/Zip/Zip64Tests.cs
index a89b1128..e92c8d52 100644
--- a/tests/SharpCompress.Test/Zip/Zip64Tests.cs
+++ b/tests/SharpCompress.Test/Zip/Zip64Tests.cs
@@ -22,31 +22,37 @@ public class Zip64Tests : WriterTests
     // 4GiB + 1
     private const long FOUR_GB_LIMIT = ((long)uint.MaxValue) + 1;
 
+    //[Fact]
     [Trait("format", "zip64")]
     public void Zip64_Single_Large_File() =>
         // One single file, requires zip64
         RunSingleTest(1, FOUR_GB_LIMIT, setZip64: true, forwardOnly: false);
 
+    //[Fact]
     [Trait("format", "zip64")]
     public void Zip64_Two_Large_Files() =>
         // One single file, requires zip64
         RunSingleTest(2, FOUR_GB_LIMIT, setZip64: true, forwardOnly: false);
 
+    [Fact]
     [Trait("format", "zip64")]
     public void Zip64_Two_Small_files() =>
         // Multiple files, does not require zip64
         RunSingleTest(2, FOUR_GB_LIMIT / 2, setZip64: false, forwardOnly: false);
 
+    [Fact]
     [Trait("format", "zip64")]
     public void Zip64_Two_Small_files_stream() =>
         // Multiple files, does not require zip64, and works with streams
         RunSingleTest(2, FOUR_GB_LIMIT / 2, setZip64: false, forwardOnly: true);
 
+    [Fact]
     [Trait("format", "zip64")]
     public void Zip64_Two_Small_Files_Zip64() =>
         // Multiple files, use zip64 even though it is not required
         RunSingleTest(2, FOUR_GB_LIMIT / 2, setZip64: true, forwardOnly: false);
 
+    [Fact]
     [Trait("format", "zip64")]
     public void Zip64_Single_Large_File_Fail()
     {
@@ -59,6 +65,7 @@ public class Zip64Tests : WriterTests
         catch (NotSupportedException) { }
     }
 
+    [Fact]
     [Trait("zip64", "true")]
     public void Zip64_Single_Large_File_Zip64_Streaming_Fail()
     {
@@ -71,6 +78,7 @@ public class Zip64Tests : WriterTests
         catch (NotSupportedException) { }
     }
 
+    [Fact]
     [Trait("zip64", "true")]
     public void Zip64_Single_Large_File_Streaming_Fail()
     {