diff --git a/plugins/providers/virtualbox/action/prepare_nfs_settings.rb b/plugins/providers/virtualbox/action/prepare_nfs_settings.rb
index 0abf5ab4e..2ee5e9c54 100644
--- a/plugins/providers/virtualbox/action/prepare_nfs_settings.rb
+++ b/plugins/providers/virtualbox/action/prepare_nfs_settings.rb
@@ -36,18 +36,27 @@ module VagrantPlugins
         #
         # The ! indicates that this method modifies its argument.
         def add_ips_to_env!(env)
-          adapter, host_ip   = find_host_only_adapter
-          machine_ip         = read_static_machine_ips
-          dynamic_machine_ip = read_dynamic_machine_ip(adapter)
+          adapter, host_ip = find_host_only_adapter
+          machine_ip       = read_static_machine_ips
 
-          if machine_ip.nil?
-            # If there were no static IPs, attempt to use the dynamic IP
-            # instead.
-            machine_ip = dynamic_machine_ip
+          if !machine_ip
+            # No static IP, attempt to use the dynamic IP.
+            machine_ip = read_dynamic_machine_ip(adapter)
           else
-            # If we did get some static machine IPs, add the dynamic IPs to
-            # that list too.
-            machine_ip.push(dynamic_machine_ip) unless dynamic_machine_ip.nil?
+            # We have static IPs, also attempt to read any dynamic IPs.
+            # If there is no dynamic IP on the adapter, it doesn't matter. We
+            # already have a static IP.
+            begin
+              dynamic_ip = read_dynamic_machine_ip(adapter)
+            rescue Vagrant::Errors::NFSNoGuestIP
+              dynamic_ip = nil
+            end
+
+            # If we found a dynamic IP and we didn't include it in the
+            # machine_ip array yet, do so.
+            if dynamic_ip && !machine_ip.include?(dynamic_ip)
+              machine_ip.push(dynamic_ip)
+            end
           end
 
           raise Vagrant::Errors::NFSNoHostonlyNetwork if !host_ip || !machine_ip