diff --git a/gnu/packages/tex.scm b/gnu/packages/tex.scm
index 8e83d60251..8a53f36046 100644
--- a/gnu/packages/tex.scm
+++ b/gnu/packages/tex.scm
@@ -29,7 +29,7 @@
 ;;; Copyright © 2023 John Kehayias <john.kehayias@protonmail.com>
 ;;; Copyright © 2023 Dominik Delgado Steuter <d@delgado.nrw>
 ;;; Copyright © 2023 Timothy Sample <samplet@ngyro.com>
-;;; Copyright © 2024 Janneke Nieuwenhuizen <janneke@gnu.org>
+;;; Copyright © 2024, 2025 Janneke Nieuwenhuizen <janneke@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -875,7 +875,8 @@ (define-public texlive-bin
       #:out-of-source? #t
       #:configure-flags
       #~(let ((kpathsea #$(this-package-input "texlive-libkpathsea")))
-          (list "--with-banner-add=/GNU Guix"
+          (list "CFLAGS=-g -O2 -Wno-error=incompatible-pointer-types"
+                "--with-banner-add=/GNU Guix"
                 "--enable-shared"
                 "--disable-native-texlive-build"
                 "--disable-static"