diff --git a/report/Makefile b/report/Makefile
index 3fc7098..0340714 100644
--- a/report/Makefile
+++ b/report/Makefile
@@ -1,7 +1,7 @@
 all: report.pdf
 
 report.pdf: report.tex fiche_synthese.tex ../shared/report.bib
-	latexmk -pdf $<
+	latexmk -xelatex -pdf $<
 
 clean:
 	rm -f *aux *bbl *bcf *blg *_latexmk *fls *log *out *.run.xml