diff --git a/firefox-mozconfig b/firefox-mozconfig
index b47ca41..f98a89e 100644
--- a/firefox-mozconfig
+++ b/firefox-mozconfig
@@ -22,6 +22,7 @@ ac_add_options --with-mozilla-api-keyfile=../mozilla-api-key
 ac_add_options --with-google-api-keyfile=../google-api-key
 ac_add_options --enable-release
 ac_add_options --enable-pie
+ac_add_options --disable-stylo
 
 export BUILD_OFFICIAL=1
 export MOZILLA_OFFICIAL=1