diff --git a/latex/paquets.sty b/latex/paquets.sty
index 486e85b..c9e096e 100644
--- a/latex/paquets.sty
+++ b/latex/paquets.sty
@@ -1,9 +1,9 @@
 \NeedsTeXFormat{LaTeX2e}[1995/12/01]
 \ProvidesPackage{paquets}
-\RequirePackage{ifluatex}
-\ifluatex
-  \RequirePackage{shellesc}
-\fi
+\RequirePackage{iftex}
+\RequireLuaTeX
+\RequirePackage{shellesc}
+
 
 \RequirePackage{silence}
 \WarningsOff[hyperref]