diff --git a/local/lib/org-x/org-x-dag.el b/local/lib/org-x/org-x-dag.el
index e46dfb0..aa44ba6 100644
--- a/local/lib/org-x/org-x-dag.el
+++ b/local/lib/org-x/org-x-dag.el
@@ -1458,9 +1458,12 @@ deadline (eg via epoch time) or if it has a repeater."
       `((:lifetime (lambda (id) (org-x-dag-ns-is-leaf-p ,adjlist id)))
         (:endpoint))
       (lambda (id this-h res)
-        (-let (((&alist :lifetime l) res)
-               (d (org-x-dag-adjlist-id-planning adjlist :deadline id)))
-          (ht-set this-h id (either :right `(:committed ,l :deadline ,d)))
+        (-let* (((&alist :lifetime l) res)
+                (d (org-x-dag-adjlist-id-planning adjlist :deadline id))
+                (ns (if (org-ml-timestamp-get-repeater d)
+                        (either :left "EPG has deadline with repeater")
+                      (either :right `(:committed ,l :deadline ,d)))))
+          (ht-set this-h id ns)
           (org-x-dag-ht-add-links id ht-l :fulfilled l))))))
 
 (defun org-x-dag-ht-get-maybe (htbl id key)