diff --git a/latex/paquets.tex b/latex/paquets.tex
index 25e38e9..6c8594f 100644
--- a/latex/paquets.tex
+++ b/latex/paquets.tex
@@ -30,6 +30,23 @@
 \else
 \Udelcodenum`.=1073741824 %% WTF https://tex.stackexchange.com/a/386937/103608
 \fi
+
+%%% utiliser les chiffres et la virgule de la police texte en mode math
+%%% adapté de https://tex.stackexchange.com/a/407928/103608
+\DeclareSymbolFont{digits}{TU}{\rmdefault}{m}{n}
+\DeclareMathSymbol{0}{\mathalpha}{digits}{`0}
+\DeclareMathSymbol{1}{\mathalpha}{digits}{`1}
+\DeclareMathSymbol{2}{\mathalpha}{digits}{`2}
+\DeclareMathSymbol{3}{\mathalpha}{digits}{`3}
+\DeclareMathSymbol{4}{\mathalpha}{digits}{`4}
+\DeclareMathSymbol{5}{\mathalpha}{digits}{`5}
+\DeclareMathSymbol{6}{\mathalpha}{digits}{`6}
+\DeclareMathSymbol{7}{\mathalpha}{digits}{`7}
+\DeclareMathSymbol{8}{\mathalpha}{digits}{`8}
+\DeclareMathSymbol{9}{\mathalpha}{digits}{`9}
+\DeclareMathSymbol{,}{\mathpunct}{digits}{`,}
+\DeclareMathSymbol{;}{\mathpunct}{digits}{`;}
+
 \AtBeginDocument{\let\setminus\smallsetminus}
 \setmathfont[range=scr]{XITS Math}
 \setmathfontface\mathcal{MnSymbol}