diff --git a/config/emacs/init.el b/config/emacs/init.el
index 9d25c03..d52848b 100644
--- a/config/emacs/init.el
+++ b/config/emacs/init.el
@@ -255,7 +255,13 @@
 
   (add-hook 'after-save-hook #'executable-make-buffer-file-executable-if-script-p)
   (add-hook 'package-menu-mode-hook #'hl-line-mode)
-  (add-hook 'minibuffer-setup-hook #'cursor-intangible-mode))
+  (add-hook 'minibuffer-setup-hook #'cursor-intangible-mode)
+  (add-hook 'enable-theme-functions
+            (lambda (&rest _args)
+              (set-face-attribute
+               'tab-bar nil
+               :box `(:line-width 4 :color ,(modus-themes-get-color-value 'bg-main))
+               :background (modus-themes-get-color-value 'bg-main)))))
 
 (use-package envrc
   :config