diff --git a/local/lib/org-x/org-x-dag.el b/local/lib/org-x/org-x-dag.el
index ad621ae..41bc2e9 100644
--- a/local/lib/org-x/org-x-dag.el
+++ b/local/lib/org-x/org-x-dag.el
@@ -4572,7 +4572,7 @@ FUTURE-LIMIT in a list."
             (org-x-dag-id->path nil id)))))
 
     (org-x-dag-sync)
-    (let ((f (buffer-file-name)))
+    (let ((f (f-canonical (buffer-file-name))))
       (cond
        ((equal f (org-x-dag->goal-file :endpoint))
         (org-x-dag--link-child-to-parent