diff --git a/doc/Makefile.m4 b/doc/Makefile.m4
index b571dc7..62b2839 100644
--- a/doc/Makefile.m4
+++ b/doc/Makefile.m4
@@ -10,7 +10,7 @@ html:
 	@echo ----------------
 	epydoc --html --inheritance listed -o html/ ../laydi 2> epydoc-html.log
 
-install:
+install: html
 	find html/ -type f -exec install -m 644 -D '{}' ${DOC_DIR}/'{}' \;
 
 clean: