Fix previous.

--HG--
branch : HEAD
diff --git a/man/Makefile.am b/man/Makefile.am
index ae8ca36..a4e5a69 100644
--- a/man/Makefile.am
+++ b/man/Makefile.am
@@ -109,4 +109,4 @@
 	${MDOC2MAN} $< > $@.$$$$ && mv $@.$$$$ $@
 
 .mdoc.html:
-	mandoc -Thtml -Oman="%N.html",style=../nih-man.css > $@.$$$$ && mv $@.$$$$ $@
+	mandoc -Thtml -Oman="%N.html",style=../nih-man.css $< > $@.$$$$ && mv $@.$$$$ $@