diff --git a/home/alex/programs/emacs/doom/config.el b/home/alex/programs/emacs/doom/config.el
index e3732c9..ceb7238 100644
--- a/home/alex/programs/emacs/doom/config.el
+++ b/home/alex/programs/emacs/doom/config.el
@@ -87,7 +87,15 @@
 
 (use-package! org-ql)
 (use-package! org-bookmark-heading)
+
+(defun ak/activities-define--with-prefix-arg ()
+  "Call 'C-u activities-define' in order to save the current activity."
+  (interactive)
+  (let ((current-prefix-arg '(4)))
+    (call-interactively #'activities-define)))
+
 (use-package! activities
+  :demand t
   :config
   (activities-mode)
   (activities-tabs-mode)
@@ -97,7 +105,7 @@
     :desc "Resume activity" "r" #'activities-resume
     :desc "Create new activity" "n" #'activities-new
     :desc "List activities" "l" #'activities-list
-    :desc "Save current activity " "s" #'activities-save
+    :desc "Save current activity " "s" #'ak/activities-define--with-prefix-arg
     :desc "Save all activities" "S" #'activities-save-all
     :desc "Revert activity to default" "R" #'activities-revert
     )