         super.init(
             baseURL: fileURL,
             numberOfFiles: 1,
-            maxFileSizeKiB: 0,
+            maxFileSizeKiB: nil,
             minimumPriorityLevel: minimumPriorityLevel,
             dateFormatter: dateFormatter,
             entryFormatter: entryFormatter

    public let directoryURL: NSURL
    /// The base file name of the log files.
    private let baseFileName: String
    /// The maximum allowed file size in bytes.
    private let maxFileSizeBytes: UIntMax
    /// The number of files to include in the rotating set.
    private let numberOfFiles: UInt
    /// The index of the current file from the rotating set.

        super.init(
            baseURL: baseURL,
            numberOfFiles: 1,
            maxFileSizeKiB: nil,
            minimumPriorityLevel: minimumPriorityLevel,
            dateFormatter: dateFormatter,
            entryFormatter: entryFormatter
