diff --git a/b2g/dev/config/mozconfigs/linux64/mulet b/b2g/dev/config/mozconfigs/linux64/mulet
new file mode 100644
index 000000000000..08c28a452f62
--- /dev/null
+++ b/b2g/dev/config/mozconfigs/linux64/mulet
@@ -0,0 +1,3 @@
+. "$topsrcdir/browser/config/mozconfigs/linux64/nightly"
+
+ac_add_options --enable-application=b2g/dev