diff --git a/lib/vagrant-libvirt/action/forward_ports.rb b/lib/vagrant-libvirt/action/forward_ports.rb
index e48a6f4..c7c747e 100644
--- a/lib/vagrant-libvirt/action/forward_ports.rb
+++ b/lib/vagrant-libvirt/action/forward_ports.rb
@@ -97,6 +97,7 @@ module VagrantPlugins
             User=#{ssh_info[:username]}
             Port=#{ssh_info[:port]}
             UserKnownHostsFile=/dev/null
+            ExitOnForwardFailure=yes
             StrictHostKeyChecking=no
             PasswordAuthentication=no
             ForwardX11=#{ssh_info[:forward_x11] ? 'yes' : 'no'}