diff --git a/init.el b/init.el
index 9e61f6d..f33bb7b 100644
--- a/init.el
+++ b/init.el
@@ -466,6 +466,12 @@ With argument, do this that many times."
         ("M-<down>" . nil)         ; Disabled, because I use them for scrolling.
         ("M-<up>" . nil)))         ; ^ FIXME: Does not work. ^
 
+;; Extra highlighting.
+(use-package modern-cpp-font-lock
+  :hook
+  (c++-mode . modern-c++-font-lock-mode)
+  )
+
 ;;;;;;;;;;;;;;;;;;;; Appearance ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Hide toolbar.
 (tool-bar-mode -1)