diff --git a/Casks/totalfinder.rb b/Casks/totalfinder.rb
index b91eadb21a3..ca21b6d0242 100644
--- a/Casks/totalfinder.rb
+++ b/Casks/totalfinder.rb
@@ -14,5 +14,6 @@ cask 'totalfinder' do
             script:  {
                        executable: 'TotalFinder Uninstaller.app/Contents/MacOS/TotalFinder Uninstaller',
                        args:       %w[--headless],
+                       sudo:       true,
                      }
 end