diff --git a/projects/project_template/Makefile b/projects/project_template/Makefile
index 585d602..dad25ce 100644
--- a/projects/project_template/Makefile
+++ b/projects/project_template/Makefile
@@ -3,7 +3,7 @@ latex:
 	pdflatex *.tex > /dev/null
 
 clean:
-	rm -f *.log *.aux *.zip *.out auto
+	rm -rf *.log *.aux *.zip *.out auto
 	rm -f `basename *.tex .tex`.pdf
 
 zip: latex