Return error when node not found.
diff --git a/rackspace/lb/v1/nodes/requests.go b/rackspace/lb/v1/nodes/requests.go
index e635d3a..945a6aa 100644
--- a/rackspace/lb/v1/nodes/requests.go
+++ b/rackspace/lb/v1/nodes/requests.go
@@ -279,6 +279,9 @@
 	})
 
 	// TODO: When found is nil, return an error
+	if found == nil {
+		return nil, errors.New("Unable to get node by IP and Port")
+	}
 
 	return found, nil
 }