diff --git a/makefile_template.erb b/makefile_template.erb
index 54b0467..1253d21 100644
--- a/makefile_template.erb
+++ b/makefile_template.erb
@@ -1,2 +1,3 @@
 slides.pdf: slides.tex <%= deck_files.join " " %>
 	pdflatex $<
+	pdflatex $<