diff --git a/lib/tasks/one_shot.rake b/lib/tasks/one_shot.rake
new file mode 100644
index 0000000..19d088e
--- /dev/null
+++ b/lib/tasks/one_shot.rake
@@ -0,0 +1,14 @@
+namespace :one_shot do
+  desc "Set manual mode for unsupported checks"
+  task reset_checks_modes: :environment do
+    Check.domain.find_each do |check|
+      check.mode = if check.supported?
+        :auto
+      else
+        :manual
+      end
+
+      check.save(validate: false)
+    end
+  end
+end