diff --git a/gtk2_ardour/wscript b/gtk2_ardour/wscript
index 8fb01abcc7..59f874f22e 100644
--- a/gtk2_ardour/wscript
+++ b/gtk2_ardour/wscript
@@ -504,7 +504,6 @@ def build(bld):
         obj.source    = list(gtk2_ardour_sources)
         obj.target    = 'luadoc'
         obj.includes  = ['.', '../libs', '../libs/vst3']
-        obj.ldflags   = ['-no-undefined']
         obj.use       = [
                 'libpbd',
                 'libardour',
diff --git a/tools/update_luadoc.sh b/tools/update_luadoc.sh
index 73b281d9e0..258e9a2341 100755
--- a/tools/update_luadoc.sh
+++ b/tools/update_luadoc.sh
@@ -22,7 +22,7 @@ if test -f $AMANUAL/include/class-reference.html; then
 	php $DIR/fmt-luadoc.php -m > $AMANUAL/include/class-reference.html
 	ls -l $AMANUAL/include/class-reference.html
 	cd $AMANUAL/
-	./build.py --nopdf
+	./build.py
 else
 	php $DIR/fmt-luadoc.php > /tmp/luadoc.html
 	ls -l /tmp/luadoc.html