diff --git a/filer-manager.ps1 b/filer-manager.ps1
index 05e5e20..f830368 100644
--- a/filer-manager.ps1
+++ b/filer-manager.ps1
@@ -782,8 +782,16 @@ function Invoke-FilerScan {
         # Canonicalise the root once. Every child path is derived from this
         # string, and every length compared against -MaxPathLength is measured on
         # it, so an 8.3 alias here would understate how long the real paths are.
+        # ProviderPath, not Path: on a UNC root the latter comes back in
+        # provider-qualified form ("Microsoft.PowerShell.Core\FileSystem::\\srv\
+        # share"), which no Win32 call can open - the scan then found nothing.
         $fullPath = $p
-        try { $fullPath = (Resolve-Path -LiteralPath $p).Path } catch { }
+        try {
+            $rp = Resolve-Path -LiteralPath $p -ErrorAction Stop
+            $cand = [string]$rp.ProviderPath
+            if ([string]::IsNullOrWhiteSpace($cand)) { $cand = [string]$rp.Path }
+            if ($cand) { $fullPath = $cand }
+        } catch { }
         $fullPath = Expand-FilerShortPath -Path $fullPath
         $node = Get-FolderNode -Path $fullPath -MaxLen $MaxPathLength `
                     -LongPaths $longPaths -ScanErrors $scanErrors -Progress $Progress