diff --git a/doc/docbook.sh b/doc/docbook.sh
index 115bc92..b247959 100755
--- a/doc/docbook.sh
+++ b/doc/docbook.sh
@@ -170,7 +170,7 @@ while [ $# -gt 0 ]; do
 			xpath="string(/refentry/refmeta/manvolnum)"
 			section=$($XMLLINT --xpath "$xpath" "$source")
 			if [ $? -eq 0 -a -n "$section" ]; then
-				instdir="$DATADIR/man/html$section"
+				instdir="$MANDIR/html$section"
 			fi
 			;;
 		pdf)
diff --git a/doc/project.conf b/doc/project.conf
index 5412798..8b7cdc8 100644
--- a/doc/project.conf
+++ b/doc/project.conf
@@ -4,4 +4,4 @@ dist=Makefile,docbook.sh,manual/manual.xml,manual/manual.xsl
 [manual/manual.html]
 type=script
 script=./docbook.sh
-depends=manual/manual.xml,manual/manual.xsl,../config.sh
+depends=docbook.sh,manual/manual.xml,manual/manual.xsl,../config.sh