diff --git a/home/roles/emacs/doom/config.el b/home/roles/emacs/doom/config.el
index f3f6561..205413c 100644
--- a/home/roles/emacs/doom/config.el
+++ b/home/roles/emacs/doom/config.el
@@ -167,7 +167,12 @@
     "Advice to add DEADLINE for UNTIL in recurring events."
     (let ((result (funcall orig-fun eventdata-alist)))
       (let* ((rrule-props (alist-get 'rrule-props eventdata-alist))
-             (until-str (cadr (assq 'UNTIL rrule-props))))
+             (until-str (cadr (assoc 'UNTIL rrule-props)))
+             (summary (alist-get 'summary eventdata-alist)))
+        ;; Debug: log what we're seeing (remove after debugging)
+        (when rrule-props
+          (message "CALDAV-DEBUG: %s | rrule-props: %S | until: %s"
+                   (or summary "?") rrule-props until-str))
         (when until-str
           (save-excursion
             (org-back-to-heading t)