diff --git a/lib/vagrant-libvirt/util/network_util.rb b/lib/vagrant-libvirt/util/network_util.rb
index 44c9ab2..f038840 100644
--- a/lib/vagrant-libvirt/util/network_util.rb
+++ b/lib/vagrant-libvirt/util/network_util.rb
@@ -60,7 +60,7 @@ module VagrantPlugins
               forward_mode: 'nat',
             }.merge(options)
 
-            if options[:type] == :dhcp && !options[:ip]
+            if options[:type] == :dhcp && options[:ip].nil?
               options[:network_name] = "vagrant-private-dhcp"
             end