1 files changed, 1 insertions, 2 deletions

diff --git a/scan.py b/scan.py
index 283c1b9..1bee370 100644
--- a/scan.py
+++ b/scan.py
@@ -186,8 +186,7 @@ class SettingsToolbar(gtk.ToolPalette):
         if isinstance(option.constraint, tuple):
             return self._add_spinbutton(option, value)
         elif isinstance(option.constraint, list):
-            # TODO
-            return None
+            return self._add_combo(option, value)
         return self._add_spinbutton(option, value)
 
     def _add_fixed_point(self, option, value):