diff --git a/src/github.com/matrix-org/go-neb/services/travisci/travisci.go b/src/github.com/matrix-org/go-neb/services/travisci/travisci.go
index 47c661b..5f2392d 100644
--- a/src/github.com/matrix-org/go-neb/services/travisci/travisci.go
+++ b/src/github.com/matrix-org/go-neb/services/travisci/travisci.go
@@ -50,8 +50,9 @@ var httpClient = &http.Client{}
 //   }
 type Service struct {
 	types.DefaultService
+	webhookEndpointURL string
 	// The URL which should be added to .travis.yml - Populated by Go-NEB after Service registration.
-	WebhookEndpointURL string `json:"webhook_url"`
+	WebhookURL string `json:"webhook_url"`
 	// A map from Matrix room ID to Github-style owner/repo repositories.
 	Rooms map[string]struct {
 		// A map of "owner/repo" to configuration information
@@ -237,6 +238,7 @@ func (s *Service) OnReceiveWebhook(w http.ResponseWriter, req *http.Request, cli
 
 // Register makes sure the Config information supplied is valid.
 func (s *Service) Register(oldService types.Service, client *matrix.Client) error {
+	s.WebhookURL = s.webhookEndpointURL
 	for _, roomData := range s.Rooms {
 		for repo := range roomData.Repos {
 			match := ownerRepoRegex.FindStringSubmatch(repo)
@@ -283,7 +285,7 @@ func init() {
 	types.RegisterService(func(serviceID, serviceUserID, webhookEndpointURL string) types.Service {
 		return &Service{
 			DefaultService:     types.NewDefaultService(serviceID, serviceUserID, ServiceType),
-			WebhookEndpointURL: webhookEndpointURL,
+			webhookEndpointURL: webhookEndpointURL,
 		}
 	})
 }