diff --git a/src/ListModel.py b/src/ListModel.py
index 0f29f61f4..0c7559d5f 100644
--- a/src/ListModel.py
+++ b/src/ListModel.py
@@ -357,7 +357,8 @@ class ListModel(object):
             self.model.set_value(node, col, obj)
             col += 1
         self.model.set_value(node, col, info)
-        if info:
+
+        if info is not None:
             self.idmap[str(info)] = node
         if select:
             self.sel_iter = node