diff --git a/core/cubes/autocompletion.el b/core/cubes/autocompletion.el
index 498c5fe..67fbb02 100644
--- a/core/cubes/autocompletion.el
+++ b/core/cubes/autocompletion.el
@@ -55,7 +55,7 @@
 (defcube fg42/c++-cube
   (:docs "cubes/fg42/cpp-cube.org"
          :no-flag t)
-
+  (add-to-list 'auto-mode-alist '("\\.h\\'" . c++-mode))
   (add-hook 'c++-mode-hook (lambda ()
 			     (lsp)
 			     (require 'company-capf)
diff --git a/core/cubes/editor.el b/core/cubes/editor.el
index 71c8258..156efae 100644
--- a/core/cubes/editor.el
+++ b/core/cubes/editor.el
@@ -74,6 +74,13 @@
     :init
     (progn
       (load-theme 'dracula t)
+      (custom-theme-set-faces
+       'dracula
+       '(match ((t (:background "#44475a"))))
+       '(all-the-icons-lgreen ((t (:background "#bd93f9"))))
+       '(all-the-icons-faicon ((t (:background "#bd93f9"))))
+       '(font-lock-comment-face ((t (:foreground "#8B9298"))))
+       '(font-lock-comment-delimiter-face ((t (:foreground "#5B6268")))))
       (enable-theme 'dracula))))
 
 
diff --git a/fg42-config.el b/fg42-config.el
index e013947..e23ffb0 100644
--- a/fg42-config.el
+++ b/fg42-config.el
@@ -22,7 +22,7 @@
 ;;; Commentary:
 ;;; Code:
 
-(defvar fg42-v3 (or (getenv "FG42_V3") '()))
+(defvar fg42-v3 (string= (or (getenv "FG42_V3") "false") "true"))
 
 
 (if fg42-v3