diff --git a/Vagrantfile b/Vagrantfile
index daf38c9a606..21a6b38a949 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -25,6 +25,7 @@ Vagrant.configure("2") do |config|
   config.vm.provision :shell, path: "bootstrap.sh"
 
   config.vm.network :forwarded_port, guest: 8888, host: 8888
+  config.vm.network :forwarded_port, guest: 9876, host: 9876
   config.vm.network :forwarded_port, guest: 9990, host: 9990
 
 end
diff --git a/appinventor/appengine/build.xml b/appinventor/appengine/build.xml
index fc0b580672a..1c4e46cefc9 100644
--- a/appinventor/appengine/build.xml
+++ b/appinventor/appengine/build.xml
@@ -617,6 +617,8 @@
       <jvmarg value="-Xmx1G" />
       <arg line="-style PRETTY -logLevel INFO" />
       <arg value="com.google.appinventor.YaClient" />
+      <arg value="-bindAddress"/>
+      <arg value="0.0.0.0"/>
     </java>
   </target>