diff --git a/configure b/configure
index 5d2f34aa3c..0c16f7c282 100755
--- a/configure
+++ b/configure
@@ -26395,7 +26395,7 @@ case "$docbook_path" in
 auto)
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: auto" >&5
 $as_echo "auto" >&6; }
-	docbook_xsl_trees="/usr/pkg/share/xsl/docbook /usr/local/share/xsl/docbook /usr/share/xsl/docbook"
+	docbook_xsl_trees="/usr/pkg/share/xsl/docbook /usr/local/share/xsl/docbook /usr/share/xsl/docbook /opt/local/share/xsl/docbook-xsl/"
 	;;
 *)
 	docbook_xsl_trees="$withval"