diff --git a/sloth/annotations/model.py b/sloth/annotations/model.py
index 5d43202..192030b 100644
--- a/sloth/annotations/model.py
+++ b/sloth/annotations/model.py
@@ -53,6 +53,7 @@ class RootModelItem(ModelItem):
         index = self.model().index(0, 0, QModelIndex())
         self.model().beginInsertRows(index, next, next)
         self.children_.append(fmi)
+        self.files_.append(file)
         self.model().endInsertRows()
         self.model().emit(SIGNAL("dataChanged(QModelIndex,QModelIndex)"), index, index)