diff --git a/metadata/org.mozilla.fennec_fdroid.txt b/metadata/org.mozilla.fennec_fdroid.txt
index 2979440f73..9a67414c75 100644
--- a/metadata/org.mozilla.fennec_fdroid.txt
+++ b/metadata/org.mozilla.fennec_fdroid.txt
@@ -2386,6 +2386,9 @@ Build:40.0.3,400310
 
 Maintainer Notes:
 
+
+-Werror: https://hg.mozilla.org/mozilla-central/rev/c646a88160d7
+
 TODO:
  * clean up
  * MOZ_CRASHREPORTER