diff --git a/Makefile b/Makefile
index 66ed07a..dd648a4 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,8 @@
 
 chapters = $(shell cat chapters.txt)
 
+epub: book
+
 book: perlwebbook.epub
 
 mobi: perlwebbook.mobi
@@ -10,7 +12,7 @@ pdf: perlwebbook.pdf
 perlwebbook.mobi: perlwebbook.epub
 	kindlegen -verbose perlwebbook.epub
 
-perlwebbook.epub: $(chapters)
+perlwebbook.epub: $(chapters) epub.css
 	pandoc -o perlwebbook.epub title.txt $(chapters) --epub-metadata=metadata.xml --toc --toc-depth=2 --epub-stylesheet=epub.css
 
 perlwebbook.pdf: perlwebbook.epub