diff --git a/internal/http/auth.go b/internal/http/auth.go
index cd98763..2aefb24 100644
--- a/internal/http/auth.go
+++ b/internal/http/auth.go
@@ -179,7 +179,7 @@ func (h authHandler) onboard(w http.ResponseWriter, r *http.Request) {
 func (h authHandler) canOnboard(w http.ResponseWriter, r *http.Request) {
 	if status, err := h.onboardEligible(r.Context()); err != nil {
 		if status == http.StatusServiceUnavailable {
-			h.encoder.StatusWarning(w, status, err.Error())
+			h.encoder.StatusResponse(w, status, err.Error())
 			return
 		}
 		h.encoder.StatusError(w, status, err)
@@ -199,7 +199,8 @@ func (h authHandler) onboardEligible(ctx context.Context) (int, error) {
 	}
 
 	if userCount > 0 {
-		return http.StatusServiceUnavailable, errors.New("onboarding unavailable")
+		h.log.Trace().Msg("onboarding unavailable: user already registered")
+		return http.StatusServiceUnavailable, errors.New("onboarding unavailable: user already registered")
 	}
 
 	return http.StatusOK, nil