diff --git a/action_processor.h b/action_processor.h
index b2c1392..fc42a24 100644
--- a/action_processor.h
+++ b/action_processor.h
@@ -36,6 +36,7 @@
   kActionCodeDownloadHashMismatchError = 10,
   kActionCodeDownloadSizeMismatchError = 11,
   kActionCodeDownloadPayloadVerificationError = 12,
+  kActionCodeDownloadAppliedUpdateVerificationError = 13,
 };
 
 class AbstractAction;