diff --git a/plugins/providers/docker/action/network.rb b/plugins/providers/docker/action/network.rb
index 68e946ac4..de5afca57 100644
--- a/plugins/providers/docker/action/network.rb
+++ b/plugins/providers/docker/action/network.rb
@@ -22,7 +22,7 @@ module VagrantPlugins
               # `docker network create` doesn't care about these options
               next
             else
-              cli_opts.concat(["--#{opt}", value])
+              cli_opts.concat(["--#{opt}=#{value.to_s}"])
             end
           end