diff --git a/lib/vagrant-libvirt/action/create_networks.rb b/lib/vagrant-libvirt/action/create_networks.rb
index 79e95d5..48337eb 100644
--- a/lib/vagrant-libvirt/action/create_networks.rb
+++ b/lib/vagrant-libvirt/action/create_networks.rb
@@ -162,7 +162,7 @@ module VagrantPlugins
             if @interface_network[:created]
               # Just check for mismatch error here - if name and ip from
               # config match together.
-              if @options[:network_name] != @interface_network[:name] and @qemu_use_agent = false
+              if @options[:network_name] != @interface_network[:name] and @qemu_use_agent == false
                 raise Errors::NetworkNameAndAddressMismatch,
                       ip_address:   @options[:ip],
                       network_name: @options[:network_name]