diff --git a/src/raspberrypi/rascsi_interface.proto b/src/raspberrypi/rascsi_interface.proto
index 0eece058..c9137eb9 100644
--- a/src/raspberrypi/rascsi_interface.proto
+++ b/src/raspberrypi/rascsi_interface.proto
@@ -240,6 +240,8 @@ message PbImageFile {
 message PbImageFilesInfo {
     string default_image_folder = 1;
     repeated PbImageFile image_files = 2;
+    // The maximum nesting depth, configured with the -R option
+    int32 depth = 3;
 }
 
 // Log level information
diff --git a/src/raspberrypi/rascsi_response.cpp b/src/raspberrypi/rascsi_response.cpp
index 4a055725..945a8fbb 100644
--- a/src/raspberrypi/rascsi_response.cpp
+++ b/src/raspberrypi/rascsi_response.cpp
@@ -194,6 +194,7 @@ PbImageFilesInfo *RascsiResponse::GetAvailableImages(PbResult& result, const str
 
 	string default_image_folder = rascsi_image->GetDefaultImageFolder();
 	image_files_info->set_default_image_folder(default_image_folder);
+	image_files_info->set_depth(scan_depth);
 
 	GetAvailableImages(*image_files_info, default_image_folder, default_image_folder, pattern, scan_depth);
 
diff --git a/src/raspberrypi/rasctl_display.cpp b/src/raspberrypi/rasctl_display.cpp
index 6d3e2da3..f3e64615 100644
--- a/src/raspberrypi/rasctl_display.cpp
+++ b/src/raspberrypi/rasctl_display.cpp
@@ -230,6 +230,7 @@ void RasctlDisplay::DisplayImageFile(const PbImageFile& image_file_info)
 void RasctlDisplay::DisplayImageFiles(const PbImageFilesInfo& image_files_info)
 {
 	cout << "Default image file folder: " << image_files_info.default_image_folder() << endl;
+	cout << "Supported folder depth: " << image_files_info.depth() << endl;
 
 	if (image_files_info.image_files().empty()) {
 		cout << "  No image files available" << endl;