diff --git a/routes/summary.go b/routes/summary.go
index 28e8942..6fffb66 100644
--- a/routes/summary.go
+++ b/routes/summary.go
@@ -45,13 +45,16 @@ func (h *SummaryHandler) GetIndex(w http.ResponseWriter, r *http.Request) {
 	rawQuery := r.URL.RawQuery
 	q := r.URL.Query()
 	if q.Get("interval") == "" && q.Get("from") == "" {
+		// If the PersistentIntervalKey cookie is set, redirect to the correct summary page
 		if intervalCookie, _ := r.Cookie(models.PersistentIntervalKey); intervalCookie != nil {
-			q.Set("interval", intervalCookie.Value)
-		} else {
-			q.Set("interval", "today")
+			redirectAddress := fmt.Sprintf("%s/summary?interval=%s", h.config.Server.BasePath, intervalCookie.Value)
+			http.Redirect(w, r, redirectAddress, http.StatusFound)
 		}
+
+		q.Set("interval", "today")
 		r.URL.RawQuery = q.Encode()
 	} else if q.Get("interval") != "" {
+		// Send a Set-Cookie header to persist the interval
 		headerValue := fmt.Sprintf("%s=%s", models.PersistentIntervalKey, q.Get("interval"))
 		w.Header().Add("Set-Cookie", headerValue)
 	}