diff --git a/custom.el b/custom.el
index 82dabee..b0ab894 100644
--- a/custom.el
+++ b/custom.el
@@ -135,6 +135,7 @@
  '(magit-signature-bad ((t (:foreground "red"))))
  '(menu ((t (:inverse-video t))))
  '(mouse ((t (:background "orchid"))))
+ '(mu4e-header-highlight-face ((t (:inherit hl-line :extend t :slant normal :weight normal))))
  '(org-block-background ((t (:background "#262626" :slant normal :weight normal))))
  '(org-block-end-line ((t (:inherit org-meta-line :slant normal :weight normal))))
  '(org-pomodoro-mode-line ((t (:foreground "tomato3"))))