diff --git a/presentation/Makefile b/presentation/Makefile
index dc2598a..ad7b2cd 100644
--- a/presentation/Makefile
+++ b/presentation/Makefile
@@ -3,7 +3,7 @@ TEX  = $(NAME).tex
 SRC  = $(TEX)
 PDF  = $(TEX:.tex=.pdf)
 
-TEXMK = latexmk -lualatex
+TEXMK = latexmk -lualatex -shell-escape
 WGET  = wget -q --show-progress