diff --git a/tikz/dirichlet-function/Makefile b/tikz/dirichlet-function/Makefile
index 8deff40..357fd6b 100644
--- a/tikz/dirichlet-function/Makefile
+++ b/tikz/dirichlet-function/Makefile
@@ -4,6 +4,7 @@ DENSITY = 300
 WIDTH = 512
 
 make:
+	pdflatex $(SOURCE).tex -output-format=pdf
 	pdflatex $(SOURCE).tex -output-format=pdf
 	make clean
 
diff --git a/tikz/dirichlet-function/dirichlet-function.png b/tikz/dirichlet-function/dirichlet-function.png
index a275ac1..a86e81b 100644
Binary files a/tikz/dirichlet-function/dirichlet-function.png and b/tikz/dirichlet-function/dirichlet-function.png differ