diff --git a/app/src/main/java/sh/sar/isodroid/viewmodel/MainViewModel.kt b/app/src/main/java/sh/sar/isodroid/viewmodel/MainViewModel.kt
index 142f8e0..8f4da37 100644
--- a/app/src/main/java/sh/sar/isodroid/viewmodel/MainViewModel.kt
+++ b/app/src/main/java/sh/sar/isodroid/viewmodel/MainViewModel.kt
@@ -206,6 +206,8 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
         // Create directory if it doesn't exist
         if (!directory.exists()) {
             RootManager.executeCommand("mkdir -p \"$currentPath\"")
+            // Create marker file to indicate this folder was created by the app
+            RootManager.executeCommand("touch \"$currentPath/.isodroiddir\"")
         }
 
         // Try multiple methods to list files