diff --git a/SharePointFunctions.ps1 b/SharePointFunctions.ps1
index c282253..92b2da5 100644
--- a/SharePointFunctions.ps1
+++ b/SharePointFunctions.ps1
@@ -307,7 +307,7 @@ function Get-XlsFilesRecursive {
         $script:txtStatus.Text += "Checking item: $($item.Name)`n"
         
         # If it's a folder, recurse into it
-        if ($item.Folder) {
+        if ($item.Folder -and $item.Folder.ChildCount -ne $null) { # Check if it's a folder AND has children
             $script:txtStatus.Text += "Found folder: $($item.Name), recursing...`n"
             $allFiles += Get-XlsFilesRecursive -DriveId $DriveId -DriveItemId $item.Id
         }