diff --git a/plugins/guests/photon/cap/configure_networks.rb b/plugins/guests/photon/cap/configure_networks.rb
index c628fe1f5..fa51f863e 100644
--- a/plugins/guests/photon/cap/configure_networks.rb
+++ b/plugins/guests/photon/cap/configure_networks.rb
@@ -18,7 +18,7 @@ module VagrantPlugins
             device = interfaces[network[:interface]]
             command =  "ifconfig #{device}"
             command << " #{network[:ip]}" if network[:ip]
-            command << " netmast #{network[:netmask]}" if network[:netmask]
+            command << " netmask #{network[:netmask]}" if network[:netmask]
             commands << command
           end
 
diff --git a/test/unit/plugins/guests/photon/cap/configure_networks_test.rb b/test/unit/plugins/guests/photon/cap/configure_networks_test.rb
index 97f66a727..bbcc717c7 100644
--- a/test/unit/plugins/guests/photon/cap/configure_networks_test.rb
+++ b/test/unit/plugins/guests/photon/cap/configure_networks_test.rb
@@ -45,7 +45,7 @@ describe "VagrantPlugins::GuestPhoton::Cap:ConfigureNetworks" do
     it "creates and starts the networks" do
       cap.configure_networks(machine, [network_1, network_2])
       expect(comm.received_commands[1]).to match(/ifconfig eth1/)
-      expect(comm.received_commands[1]).to match(/ifconfig eth2 33.33.33.10 netmast 255.255.0.0/)
+      expect(comm.received_commands[1]).to match(/ifconfig eth2 33.33.33.10 netmask 255.255.0.0/)
     end
   end
 end