diff --git a/Makefile b/Makefile
index be06dcc96..71c8553d8 100644
--- a/Makefile
+++ b/Makefile
@@ -71,7 +71,7 @@ CONTRIBUTING.md: README.md
 README.txt: README.md
 	pandoc -f markdown -t plain README.md -o README.txt
 
-youtube-dl.1:
+youtube-dl.1: README.md
 	python devscripts/prepare_manpage.py >youtube-dl.1.temp.md
 	pandoc -s -f markdown -t man youtube-dl.1.temp.md -o youtube-dl.1
 	rm -f youtube-dl.1.temp.md