diff --git a/Makefile b/Makefile
index bc7f795..13c977d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-PDFLATEX=/usr/bin/pdflatex
+PDFLATEX=$(shell which pdflatex)
 MASTER=template.tex
 
 .PHONY: doc