diff --git a/gluon/tools.py b/gluon/tools.py
index 6860a4bf..790c172e 100644
--- a/gluon/tools.py
+++ b/gluon/tools.py
@@ -5362,7 +5362,7 @@ class Expose(object):
         if current.request.raw_args:
             self.args = [arg for arg in current.request.raw_args.split('/') if arg]
         else:
-            self.args = [arg for arg in current.request.args if args]
+            self.args = [arg for arg in current.request.args if arg]
         filename = os.path.join(base, *self.args)
         if not os.path.exists(filename):
             raise HTTP(404, "FILE NOT FOUND")