diff --git a/consul/discovery.go b/consul/discovery.go
index db5029c..5b33196 100644
--- a/consul/discovery.go
+++ b/consul/discovery.go
@@ -119,7 +119,7 @@ func (s *Service) healthCheck() (bool, error) {
 		if err != nil {
 			return false
 		}
-		req.Header.Set("User-Agent", "Health Check")
+		req.Header.Set("User-Agent", "service/internal")
 
 		resp, err := client.Do(req)
 		if err != nil {
@@ -132,6 +132,7 @@ func (s *Service) healthCheck() (bool, error) {
 
 	if alive {
 		if err := s.agent.PassTTL("service:"+s.GetID(), "OK"); err != nil {
+			fmt.Printf("Failed to pass TTL: %v", err)
 			return false, err
 		}
 		return true, nil