diff --git a/update_check_scheduler.h b/update_check_scheduler.h
index 1811291..8239c0d 100644
--- a/update_check_scheduler.h
+++ b/update_check_scheduler.h
@@ -76,6 +76,7 @@
   FRIEND_TEST(UpdateCheckSchedulerTest, SetUpdateStatusNonIdleTest);
   FRIEND_TEST(UpdateCheckSchedulerTest, StaticCheckOOBECompleteTest);
   FRIEND_TEST(UpdateCheckSchedulerTest, StaticCheckOOBENotCompleteTest);
+  FRIEND_TEST(UpdateAttempterTest, PingOmahaTest);
 
   // Wraps GLib's g_timeout_add_seconds so that it can be mocked in tests.
   virtual guint GTimeoutAddSeconds(guint interval, GSourceFunc function);