diff --git a/srcpkgs/firefox/template b/srcpkgs/firefox/template
index 4bf417fdff9..ce2400666ce 100644
--- a/srcpkgs/firefox/template
+++ b/srcpkgs/firefox/template
@@ -9,6 +9,7 @@ license="MPL-1.1, GPL-2, LGPL-2.1"
 distfiles="${MOZILLA_SITE}/${pkgname}/releases/${version}/source/${pkgname}-${version}.source.tar.xz"
 checksum=ea82b0f4840d320aa4fe8046ba28e686bf6dc60f707a0514a9d68c150d0c4c1d
 
+only_for_archs="i686 i686-musl x86_64 x86_64-musl"
 nopie=yes
 lib32disabled=yes
 build_options="gtk3"
@@ -26,8 +27,8 @@ depends="nss>=3.20.1 desktop-file-utils hicolor-icon-theme"
 conflicts="firefox-esr>=0"
 
 # https://bugzilla.mozilla.org/show_bug.cgi?id=1243724
-#CFLAGS="-DBROTLI_BUILD_PORTABLE"
-#CXXFLAGS="-DBROTLI_BUILD_PORTABLE"
+CFLAGS="-DBROTLI_BUILD_PORTABLE"
+CXXFLAGS="-DBROTLI_BUILD_PORTABLE"
 
 pre_configure() {
 	case "$XBPS_TARGET_MACHINE" in