diff --git a/.emacs.d/lisp/init-cc.el b/.emacs.d/lisp/init-cc.el
index e60c6669..f953ef36 100644
--- a/.emacs.d/lisp/init-cc.el
+++ b/.emacs.d/lisp/init-cc.el
@@ -191,6 +191,7 @@ You can add your mode hook (e.g. `c-mode-hook')."
 ;; (global-semantic-decoration-mode)
 ;; Eldoc does not work but there is Semantic.
 (global-semantic-idle-summary-mode)
+(setq semantic-idle-scheduler-idle-time 5)
 
 ;; Add support for some subdir-includes.
 ;; TODO: This could be automated by parsing `pkg-config --list-all` or maybe