diff --git a/handin/makefile b/handin/makefile
index 2b85f18..db12a88 100644
--- a/handin/makefile
+++ b/handin/makefile
@@ -2,7 +2,7 @@ TEX = pandoc
 texsrc = template.tex handin.md
 src = output.pdf
 FLAGS = --latex-engine=xelatex
-pdfname = $(shell basename $(CURDIR))
+pdfname = $(shell basename $(CURDIR)).pdf
 
 package: $(src)
 	mkdir -p output