diff --git a/SabreTools.DatTools/Rebuilder.cs b/SabreTools.DatTools/Rebuilder.cs
index 209f229b..34f17b5c 100644
--- a/SabreTools.DatTools/Rebuilder.cs
+++ b/SabreTools.DatTools/Rebuilder.cs
@@ -826,7 +826,7 @@ namespace SabreTools.DatTools
         {
             Folder? outputArchive = FileTypeTool.CreateFolderType(outputFormat);
             if (outputArchive is BaseArchive baseArchive && date)
-                baseArchive.UseDates = date;
+                baseArchive.SetRealDates(date);
 
             // Set the depth fields where appropriate
             if (outputArchive is GZipArchive gzipArchive)
diff --git a/SabreTools.FileTypes/Archives/SevenZipArchive.cs b/SabreTools.FileTypes/Archives/SevenZipArchive.cs
index 66423c35..0369c695 100644
--- a/SabreTools.FileTypes/Archives/SevenZipArchive.cs
+++ b/SabreTools.FileTypes/Archives/SevenZipArchive.cs
@@ -424,7 +424,7 @@ namespace SabreTools.FileTypes.Archives
                     ulong istreamSize = (ulong)(inputStream.Length);
 
                     DateTime dt = DateTime.Now;
-                    if (UseDates && !string.IsNullOrEmpty(baseFile.Date) && DateTime.TryParse(baseFile.Date!.Replace('\\', '/'), out dt))
+                    if (_realDates && !string.IsNullOrEmpty(baseFile.Date) && DateTime.TryParse(baseFile.Date!.Replace('\\', '/'), out dt))
                     {
                         long msDosDateTime = DateTimeHelper.ConvertToMsDosTimeFormat(dt);
                         TimeStamps ts = new() { ModTime = msDosDateTime };
@@ -501,7 +501,7 @@ namespace SabreTools.FileTypes.Archives
                             ulong istreamSize = (ulong)(inputStream.Length);
 
                             DateTime dt = DateTime.Now;
-                            if (UseDates && !string.IsNullOrEmpty(baseFile.Date) && DateTime.TryParse(baseFile.Date!.Replace('\\', '/'), out dt))
+                            if (_realDates && !string.IsNullOrEmpty(baseFile.Date) && DateTime.TryParse(baseFile.Date!.Replace('\\', '/'), out dt))
                             {
                                 long msDosDateTime = DateTimeHelper.ConvertToMsDosTimeFormat(dt);
                                 TimeStamps ts = new() { ModTime = msDosDateTime };
@@ -639,7 +639,7 @@ namespace SabreTools.FileTypes.Archives
                         ulong istreamSize = (ulong)new FileInfo(inputFiles[index]).Length;
 
                         DateTime dt = DateTime.Now;
-                        if (UseDates && !string.IsNullOrEmpty(baseFiles[index].Date) && DateTime.TryParse(baseFiles[index].Date?.Replace('\\', '/'), out dt))
+                        if (_realDates && !string.IsNullOrEmpty(baseFiles[index].Date) && DateTime.TryParse(baseFiles[index].Date?.Replace('\\', '/'), out dt))
                         {
                             long msDosDateTime = DateTimeHelper.ConvertToMsDosTimeFormat(dt);
                             TimeStamps ts = new() { ModTime = msDosDateTime };
@@ -721,7 +721,7 @@ namespace SabreTools.FileTypes.Archives
                             ulong istreamSize = (ulong)(new FileInfo(inputFiles[-index - 1]).Length);
 
                             DateTime dt = DateTime.Now;
-                            if (UseDates && !string.IsNullOrEmpty(baseFiles[-index - 1].Date) && DateTime.TryParse(baseFiles[-index - 1].Date?.Replace('\\', '/'), out dt))
+                            if (_realDates && !string.IsNullOrEmpty(baseFiles[-index - 1].Date) && DateTime.TryParse(baseFiles[-index - 1].Date?.Replace('\\', '/'), out dt))
                             {
                                 long msDosDateTime = DateTimeHelper.ConvertToMsDosTimeFormat(dt);
                                 TimeStamps ts = new() { ModTime = msDosDateTime };
diff --git a/SabreTools.FileTypes/Archives/TapeArchive.cs b/SabreTools.FileTypes/Archives/TapeArchive.cs
index 7542012f..465d371a 100644
--- a/SabreTools.FileTypes/Archives/TapeArchive.cs
+++ b/SabreTools.FileTypes/Archives/TapeArchive.cs
@@ -320,7 +320,7 @@ namespace SabreTools.FileTypes.Archives
                 {
                     // Get temporary date-time if possible
                     DateTime? usableDate = null;
-                    if (UseDates && !string.IsNullOrEmpty(baseFile.Date) && DateTime.TryParse(baseFile.Date!.Replace('\\', '/'), out DateTime dt))
+                    if (_realDates && !string.IsNullOrEmpty(baseFile.Date) && DateTime.TryParse(baseFile.Date!.Replace('\\', '/'), out DateTime dt))
                         usableDate = dt;
 
                     // Copy the input stream to the output
@@ -375,7 +375,7 @@ namespace SabreTools.FileTypes.Archives
 
                         // Get temporary date-time if possible
                         DateTime? usableDate = null;
-                        if (UseDates && !string.IsNullOrEmpty(baseFile.Date) && DateTime.TryParse(baseFile.Date!.Replace('\\', '/'), out DateTime dt))
+                        if (_realDates && !string.IsNullOrEmpty(baseFile.Date) && DateTime.TryParse(baseFile.Date!.Replace('\\', '/'), out DateTime dt))
                             usableDate = dt;
 
                         // If we have the input file, add it now
@@ -488,7 +488,7 @@ namespace SabreTools.FileTypes.Archives
 
                         // Get temporary date-time if possible
                         DateTime? usableDate = null;
-                        if (UseDates && !string.IsNullOrEmpty(baseFiles[index].Date) && DateTime.TryParse(baseFiles[index].Date?.Replace('\\', '/'), out DateTime dt))
+                        if (_realDates && !string.IsNullOrEmpty(baseFiles[index].Date) && DateTime.TryParse(baseFiles[index].Date?.Replace('\\', '/'), out DateTime dt))
                             usableDate = dt;
 
                         // Copy the input stream to the output
@@ -550,7 +550,7 @@ namespace SabreTools.FileTypes.Archives
                         {
                             // Get temporary date-time if possible
                             DateTime? usableDate = null;
-                            if (UseDates && !string.IsNullOrEmpty(baseFiles[-index - 1].Date) && DateTime.TryParse(baseFiles[-index - 1].Date?.Replace('\\', '/'), out DateTime dt))
+                            if (_realDates && !string.IsNullOrEmpty(baseFiles[-index - 1].Date) && DateTime.TryParse(baseFiles[-index - 1].Date?.Replace('\\', '/'), out DateTime dt))
                                 usableDate = dt;
 
                             // Copy the input file to the output
diff --git a/SabreTools.FileTypes/Archives/ZipArchive.cs b/SabreTools.FileTypes/Archives/ZipArchive.cs
index a722f4f4..c82ea640 100644
--- a/SabreTools.FileTypes/Archives/ZipArchive.cs
+++ b/SabreTools.FileTypes/Archives/ZipArchive.cs
@@ -605,7 +605,7 @@ namespace SabreTools.FileTypes.Archives
                     ulong istreamSize = (ulong)(inputStream.Length);
 
                     DateTime dt = DateTime.Now;
-                    if (UseDates && !string.IsNullOrEmpty(baseFile.Date) && DateTime.TryParse(baseFile.Date!.Replace('\\', '/'), out dt))
+                    if (_realDates && !string.IsNullOrEmpty(baseFile.Date) && DateTime.TryParse(baseFile.Date!.Replace('\\', '/'), out dt))
                     {
                         long msDosDateTime = DateTimeHelper.ConvertToMsDosTimeFormat(dt);
                         TimeStamps ts = new() { ModTime = msDosDateTime };
@@ -679,7 +679,7 @@ namespace SabreTools.FileTypes.Archives
                             ulong istreamSize = (ulong)(inputStream.Length);
 
                             DateTime dt = DateTime.Now;
-                            if (UseDates && !string.IsNullOrEmpty(baseFile.Date) && DateTime.TryParse(baseFile.Date!.Replace('\\', '/'), out dt))
+                            if (_realDates && !string.IsNullOrEmpty(baseFile.Date) && DateTime.TryParse(baseFile.Date!.Replace('\\', '/'), out dt))
                             {
                                 long msDosDateTime = DateTimeHelper.ConvertToMsDosTimeFormat(dt);
                                 TimeStamps ts = new() { ModTime = msDosDateTime };
@@ -813,7 +813,7 @@ namespace SabreTools.FileTypes.Archives
                         ulong istreamSize = (ulong)(new FileInfo(inputFiles[index]).Length);
 
                         DateTime dt = DateTime.Now;
-                        if (UseDates && !string.IsNullOrEmpty(baseFiles[index].Date) && DateTime.TryParse(baseFiles[index].Date?.Replace('\\', '/'), out dt))
+                        if (_realDates && !string.IsNullOrEmpty(baseFiles[index].Date) && DateTime.TryParse(baseFiles[index].Date?.Replace('\\', '/'), out dt))
                         {
                             long msDosDateTime = DateTimeHelper.ConvertToMsDosTimeFormat(dt);
                             TimeStamps ts = new() { ModTime = msDosDateTime };
@@ -895,7 +895,7 @@ namespace SabreTools.FileTypes.Archives
                             ulong istreamSize = (ulong)(new FileInfo(inputFiles[-index - 1]).Length);
 
                             DateTime dt = DateTime.Now;
-                            if (UseDates && !string.IsNullOrEmpty(baseFiles[-index - 1].Date) && DateTime.TryParse(baseFiles[-index - 1].Date?.Replace('\\', '/'), out dt))
+                            if (_realDates && !string.IsNullOrEmpty(baseFiles[-index - 1].Date) && DateTime.TryParse(baseFiles[-index - 1].Date?.Replace('\\', '/'), out dt))
                             {
                                 long msDosDateTime = DateTimeHelper.ConvertToMsDosTimeFormat(dt);
                                 TimeStamps ts = new() { ModTime = msDosDateTime };
diff --git a/SabreTools.FileTypes/BaseArchive.cs b/SabreTools.FileTypes/BaseArchive.cs
index 00a9750b..62dab138 100644
--- a/SabreTools.FileTypes/BaseArchive.cs
+++ b/SabreTools.FileTypes/BaseArchive.cs
@@ -7,15 +7,15 @@ namespace SabreTools.FileTypes
     {
         #region Fields
 
-        /// <summary>
-        /// Determines if dates are read or written
-        /// </summary>
-        public bool UseDates { get; set; } = false;
-
         #endregion
 
         #region Protected instance variables
 
+        /// <summary>
+        /// Determines if real dates are written
+        /// </summary>
+        protected bool _realDates = false;
+
         /// <summary>
         /// Buffer size used by archives
         /// </summary>
@@ -68,6 +68,14 @@ namespace SabreTools.FileTypes
 
         #region Writing
 
+        /// <summary>
+        /// Set if real dates are written
+        /// </summary>
+        public void SetRealDates(bool realDates)
+        {
+            _realDates = realDates;
+        }
+
         /// <inheritdoc/>
         public override abstract bool Write(string inputFile, string outDir, BaseFile? baseFile);