diff --git a/libnm/generate-setting-docs.py b/libnm/generate-setting-docs.py
index f888ff223e..225526151f 100755
--- a/libnm/generate-setting-docs.py
+++ b/libnm/generate-setting-docs.py
@@ -183,6 +183,7 @@ def usage():
     exit()
 
 parser = argparse.ArgumentParser()
+parser.add_argument('-l', '--lib-path', metavar='PATH', action='append', help='path to scan for shared libraries')
 parser.add_argument('-g', '--gir', metavar='FILE', help='NM-1.0.gir file')
 parser.add_argument('-x', '--overrides', metavar='FILE', help='documentation overrides file')
 parser.add_argument('-o', '--output', metavar='FILE', help='output file')
@@ -191,6 +192,10 @@ args = parser.parse_args()
 if args.gir is None or args.output is None:
     usage()
 
+if args.lib_path:
+    for lib in args.lib_path:
+        GIRepository.Repository.prepend_library_path(lib)
+
 girxml = ET.parse(args.gir).getroot()
 outfile = open(args.output, mode='w')