diff --git a/network/web/firefox/files/mozconfig b/network/web/firefox/files/mozconfig
index c01f84ae66..f691b3e402 100755
--- a/network/web/firefox/files/mozconfig
+++ b/network/web/firefox/files/mozconfig
@@ -30,9 +30,10 @@ ac_add_options --disable-stylo
 
 # New MP4, etc
 #ac_add_options --disable-rust
+ac_add_options --enable-rust-simd
 
 
 ac_add_options --with-google-api-keyfile="%%PWD%%/%%FILE%%"
-ac_add_options --enable-safe-browsing
+#ac_add_options --enable-safe-browsing
 
 mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/build