--- a/browser/confvars.sh
+++ b/browser/confvars.sh
@@ -4,16 +4,17 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 MOZ_APP_BASENAME=Firefox
 MOZ_APP_VENDOR=Mozilla
 MOZ_UPDATER=1
 MOZ_PHOENIX=1
 
 if test "$OS_ARCH" = "WINNT" -o \
+        "$OS_ARCH" = "Darwin" -o \
         "$OS_ARCH" = "Linux"; then
   MOZ_BUNDLED_FONTS=1
 fi
 
 if test "$OS_ARCH" = "WINNT"; then
   MOZ_MAINTENANCE_SERVICE=1
   if ! test "$HAVE_64BIT_BUILD"; then
     if test "$MOZ_UPDATE_CHANNEL" = "nightly" -o \