diff --git a/linux-mar/assets/mozconfig b/linux-mar/assets/mozconfig
index aafe3a4..2a4c9c1 100644
--- a/linux-mar/assets/mozconfig
+++ b/linux-mar/assets/mozconfig
@@ -65,8 +65,8 @@ ac_add_options --enable-strip
 
 # needed for windows/mac auto update ONLY. it's a security risk so other OSses don't need it
 # https://firefox-source-docs.mozilla.org/taskcluster/setting-up-an-update-server.html
-
-ac_add_options --disable-verify-mar
+# this one below now fails since a few versions. what's up?
+#ac_add_options --disable-verify-mar
 
 # Internationalization
 ac_add_options --with-l10n-base=$(pwd)/browser/locales/l10n