diff --git a/tools/style/base.sty b/tools/style/base.sty
index 68a6031..de47000 100755
--- a/tools/style/base.sty
+++ b/tools/style/base.sty
@@ -13,7 +13,6 @@
 \RequirePackage{graphicx}
 \graphicspath{{./}{/home/lafrite/Cours/Prof/Enseignements/Clipart/}}
 
-\RequirePackage[table, dvipsnames]{xcolor}
 \RequirePackage{gensymb}
 \RequirePackage{ifthen, calc}
 \RequirePackage{tabularx}
diff --git a/tools/style/myXsim.sty b/tools/style/myXsim.sty
index 3638100..c9f17c3 100644
--- a/tools/style/myXsim.sty
+++ b/tools/style/myXsim.sty
@@ -2,6 +2,7 @@
 % extensions
  
 \RequirePackage{base}
+\RequirePackage[table, dvipsnames]{xcolor}
 \RequirePackage{colorscheme}
 \RequirePackage{myhdr}