diff --git a/Interfaces/IPluginRegister.cs b/Interfaces/IPluginRegister.cs
index 67c12d187..e68fa0d20 100644
--- a/Interfaces/IPluginRegister.cs
+++ b/Interfaces/IPluginRegister.cs
@@ -79,9 +79,11 @@ public interface IPluginRegister
     /// <param name="services">Service collection</param>
     void RegisterPartitionPlugins(IServiceCollection services);
 
-    /// <summary>Gets all read-only filesystem plugins</summary>
-    /// <returns>List of read-only filesystem plugins</returns>
-    List<Type> GetAllReadOnlyFilesystemPlugins();
+    /// <summary>
+    ///     Registers all read-only filesystem plugins in the provided service collection
+    /// </summary>
+    /// <param name="services">Service collection</param>
+    void RegisterReadOnlyFilesystemPlugins(IServiceCollection services);
 
     /// <summary>Gets all writable floppy image plugins</summary>
     /// <returns>List of writable floppy image plugins</returns>
diff --git a/PluginRegister.cs b/PluginRegister.cs
index 7c899de0a..ca47f9068 100644
--- a/PluginRegister.cs
+++ b/PluginRegister.cs
@@ -51,9 +51,6 @@ public class PluginRegister
     public readonly SortedDictionary<string, Type> FloppyImages;
     /// <summary>List of all media image plugins</summary>
     public readonly SortedDictionary<string, Type> MediaImages;
-
-    /// <summary>List of read-only filesystem plugins</summary>
-    public readonly SortedDictionary<string, Type> ReadOnlyFilesystems;
     /// <summary>List of writable floppy image plugins</summary>
     public readonly SortedDictionary<string, Type> WritableFloppyImages;
     /// <summary>List of writable media image plugins</summary>
@@ -63,7 +60,6 @@ public class PluginRegister
 
     PluginRegister()
     {
-        ReadOnlyFilesystems   = new SortedDictionary<string, Type>();
         MediaImages           = new SortedDictionary<string, Type>();
         WritableImages        = new SortedDictionary<string, Type>();
         FloppyImages          = new SortedDictionary<string, Type>();
@@ -71,6 +67,19 @@ public class PluginRegister
         ByteAddressableImages = new SortedDictionary<string, Type>();
     }
 
+    /// <summary>List of read-only filesystem plugins</summary>
+    public SortedDictionary<string, IReadOnlyFilesystem> ReadOnlyFilesystems
+    {
+        get
+        {
+            SortedDictionary<string, IReadOnlyFilesystem> readOnlyFilesystems = new();
+            foreach(IReadOnlyFilesystem plugin in _serviceProvider.GetServices<IReadOnlyFilesystem>())
+                readOnlyFilesystems[plugin.Name.ToLower()] = plugin;
+
+            return readOnlyFilesystems;
+        }
+    }
+
     /// <summary>List of all filesystem plugins</summary>
     public SortedDictionary<string, IFilesystem> Filesystems
     {
@@ -177,6 +186,7 @@ public class PluginRegister
         pluginRegister.RegisterChecksumPlugins(_services);
         pluginRegister.RegisterFilesystemPlugins(_services);
         pluginRegister.RegisterFilterPlugins(_services);
+        pluginRegister.RegisterReadOnlyFilesystemPlugins(_services);
 
         foreach(Type type in pluginRegister.GetAllFloppyImagePlugins() ?? Enumerable.Empty<Type>())
         {
@@ -193,13 +203,6 @@ public class PluginRegister
 
         pluginRegister.RegisterPartitionPlugins(_services);
 
-        foreach(Type type in pluginRegister.GetAllReadOnlyFilesystemPlugins() ?? Enumerable.Empty<Type>())
-        {
-            if(Activator.CreateInstance(type) is IReadOnlyFilesystem plugin &&
-               !ReadOnlyFilesystems.ContainsKey(plugin.Name.ToLower()))
-                ReadOnlyFilesystems.Add(plugin.Name.ToLower(), type);
-        }
-
         foreach(Type type in pluginRegister.GetAllWritableFloppyImagePlugins() ?? Enumerable.Empty<Type>())
         {
             if(Activator.CreateInstance(type) is IWritableFloppyImage plugin &&