diff --git a/modules/home/users/msyds/emacs/lisp/syd/auctex.el b/modules/home/users/msyds/emacs/lisp/syd/auctex.el
index e8497fc..5bdbd98 100644
--- a/modules/home/users/msyds/emacs/lisp/syd/auctex.el
+++ b/modules/home/users/msyds/emacs/lisp/syd/auctex.el
@@ -2,7 +2,10 @@
 
 (require 'syd/base)
 
-(use-package auctex
+(use-package auctex)
+
+(use-package tex
+  :straight nil ; Part of auctex.
   :config
   (add-to-list 'TeX-view-program-selection '(output-pdf "Sioyek")))