diff --git a/real_system_state.h b/real_system_state.h
index a1fe8c6..f65f706 100644
--- a/real_system_state.h
+++ b/real_system_state.h
@@ -55,6 +55,10 @@
   // separately from construction. Returns |true| on success.
   bool Initialize();
 
+  // Start the periodic update attempts. Must be called at the beginning of the
+  // program to start the periodic update check process.
+  void StartUpdater();
+
   inline void set_device_policy(
       const policy::DevicePolicy* device_policy) override {
     device_policy_ = device_policy;