diff --git a/omaha_request_action.h b/omaha_request_action.h
index 7f526ec..c21bb37 100644
--- a/omaha_request_action.h
+++ b/omaha_request_action.h
@@ -177,6 +177,7 @@
 
  private:
   friend class OmahaRequestActionTest;
+  friend class OmahaRequestActionTestProcessorDelegate;
   FRIEND_TEST(OmahaRequestActionTest, GetInstallDateWhenNoPrefsNorOOBE);
   FRIEND_TEST(OmahaRequestActionTest,
               GetInstallDateWhenOOBECompletedWithInvalidDate);