diff --git a/hwc3/Utils.h b/hwc3/Utils.h
index b322f5d..9389286 100644
--- a/hwc3/Utils.h
+++ b/hwc3/Utils.h
@@ -39,6 +39,7 @@
   kUnsupported = IComposerClient::EX_UNSUPPORTED,
   kSeamlessNotAllowed = IComposerClient::EX_SEAMLESS_NOT_ALLOWED,
   kSeamlessNotPossible = IComposerClient::EX_SEAMLESS_NOT_POSSIBLE,
+  kConfigFailed = IComposerClient::EX_CONFIG_FAILED,
 };
 }  // namespace hwc3