Dependencies missing IP address on one node

I have installed a new cluster on a pair of Windows Server 2012 R2 servers to run a SQL Server availability group.  When I go to the properties of the cluster and click on the Dependencies tab, I see:

   Cluster IP Address
OR Cluster IP Address 192.168.42.219

Why is the first entry missing an IP address?  Does anyone know how to add the IP address back in?

Any help appreciated.

Ken