diff --git a/config.el b/config.el
index 27efa14..063ea98 100644
--- a/config.el
+++ b/config.el
@@ -1894,25 +1894,11 @@ current frame."
         "s Q" #'org-ql-view))
 
 ;; calfw — visual calendar
-(use-package! calfw :defer t)
-(use-package! calfw-org :defer t)
-(defun my/open-calendar ()
-  "Otevři calfw org kalendář (funguje s různými verzemi calfw-org)."
-  (interactive)
-  (require 'calfw)
-  (require 'calfw-org)
-  (cond
-   ((fboundp 'cfw:open-org-calendar)
-    (cfw:open-org-calendar))
-   ((and (fboundp 'cfw:create-calendar-component-buffer)
-         (fboundp 'cfw:org-create-source))
-    (switch-to-buffer
-     (cfw:create-calendar-component-buffer
-      :view 'month
-      :contents-sources (list (cfw:org-create-source "OldRose")))))
-   (t
-    (user-error "calfw-org nenalezen — spusť: doom/reload"))))
-(map! :leader "o C" #'my/open-calendar)
+;; :demand t = načti ihned při startu (autoload selhal opakovaně)
+(use-package! calfw :demand t)
+(use-package! calfw-org
+  :demand t
+  :config (map! :leader "o C" #'cfw:open-org-calendar))
 
 ;; org-roam-ui — visual graph for org-roam
 (use-package! org-roam-ui