diff --git a/internal/middleware/trace.go b/internal/middleware/trace.go
index b5baad0..ba9aa94 100644
--- a/internal/middleware/trace.go
+++ b/internal/middleware/trace.go
@@ -14,7 +14,7 @@ import (
 // Trace adds go stdlib tracing to this http handler.
 func Trace(next http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		sp := trace.New(filepath.Base(os.Args[0]+"-http"), "http://"+r.Host+r.RequestURI)
+		sp := trace.New(filepath.Base(os.Args[0]+"-http"), r.URL.Scheme+"://"+r.Host+r.RequestURI)
 		defer sp.Finish()
 		ctx, cancel := context.WithTimeout(r.Context(), 30*time.Second)
 		defer cancel()