diff --git a/tests/SharpCompress.Test/Zip/ZipArchiveTests.cs b/tests/SharpCompress.Test/Zip/ZipArchiveTests.cs
index 8b886afe..58ebfa1c 100644
--- a/tests/SharpCompress.Test/Zip/ZipArchiveTests.cs
+++ b/tests/SharpCompress.Test/Zip/ZipArchiveTests.cs
@@ -832,4 +832,15 @@ public class ZipArchiveTests : ArchiveTests
         using var _ = firstEntry.OpenEntryStream();
         Assert.Equal(29, firstEntry.Comment.Length);
     }
+
+    [Fact]
+    public void Zip_FilePermissions()
+    {
+        using var archive = ArchiveFactory.Open(Path.Combine(TEST_ARCHIVES_PATH, "Zip.644.zip"));
+
+        var firstEntry = archive.Entries.First();
+        const int S_IFREG = 0x8000;
+        const int expected = (S_IFREG | 0b110_100_100) << 16; // 0644 mode regular file
+        Assert.Equal(expected, firstEntry.Attrib);
+    }
 }
diff --git a/tests/TestArchives/Archives/Zip.644.zip b/tests/TestArchives/Archives/Zip.644.zip
new file mode 100644
index 00000000..71a786be
Binary files /dev/null and b/tests/TestArchives/Archives/Zip.644.zip differ