diff --git a/Aaru.Filters/SplitJoinStream.cs b/Aaru.Filters/SplitJoinStream.cs
index b6d1bf5ce..94310d302 100644
--- a/Aaru.Filters/SplitJoinStream.cs
+++ b/Aaru.Filters/SplitJoinStream.cs
@@ -229,7 +229,8 @@ namespace Aaru.Filters
         /// <param name="basePath">Base file path, directory path only</param>
         /// <param name="counterFormat">Counter format, includes filename and a formatting string</param>
         /// <param name="counterStart">Counter start, defaults to 0</param>
-        public void AddRange(string basePath, string counterFormat = "{0:D3}", int counterStart = 0)
+        public void AddRange(string basePath, string counterFormat = "{0:D3}", int counterStart = 0,
+                             FileAccess access = FileAccess.Read)
         {
             while(true)
             {
@@ -238,7 +239,7 @@ namespace Aaru.Filters
                 if(!File.Exists(filePath))
                     break;
 
-                Add(filePath, FileMode.Open);
+                Add(filePath, FileMode.Open, access);
 
                 counterStart++;
             }