diff --git a/error_code.h b/error_code.h
index 567534a..6a47784 100644
--- a/error_code.h
+++ b/error_code.h
@@ -57,6 +57,7 @@
   kPostinstallFirmwareRONotUpdatable = 43,
   kUnsupportedMajorPayloadVersion = 44,
   kUnsupportedMinorPayloadVersion = 45,
+  kOmahaRequestXMLHasEntityDecl = 46,
 
   // VERY IMPORTANT! When adding new error codes:
   //