diff --git a/org-journal.el b/org-journal.el
index 3bb0809..98eead5 100644
--- a/org-journal.el
+++ b/org-journal.el
@@ -1267,7 +1267,8 @@ If NO-SELECT is non-nil, open it, but don't show it."
   "Open the current journal file"
   (interactive)
   (let ((org-journal-file (org-journal--get-entry-path
-                           (time-since (* 3600 org-extend-today-until)))))
+                           (time-subtract (current-time)
+                                          (* 3600 org-extend-today-until)))))
     (if (file-exists-p org-journal-file)
         (progn
           (funcall org-journal-find-file org-journal-file)