diff --git a/spec/interfaces/udp_interface_spec.rb b/spec/interfaces/udp_interface_spec.rb
index f7ead7134..e85c43a91 100644
--- a/spec/interfaces/udp_interface_spec.rb
+++ b/spec/interfaces/udp_interface_spec.rb
@@ -21,6 +21,10 @@ module Cosmos
         expect(i.instance_variable_get("@hostname")).to eql '127.0.0.1'
         expect(i.instance_variable_get("@interface_address")).to eql '127.0.0.1'
         expect(i.instance_variable_get("@bind_address")).to eql '127.0.0.1'
+        i = UdpInterface.new('10.10.10.1','8888','8889','8890','10.10.10.2','64','5','5','10.10.10.3')
+        expect(i.instance_variable_get("@hostname")).to eql '10.10.10.1'
+        expect(i.instance_variable_get("@interface_address")).to eql '10.10.10.2'
+        expect(i.instance_variable_get("@bind_address")).to eql '10.10.10.3'
       end
 
       it "is not writeable if no write port given" do