diff --git a/integrator/bscw.py b/integrator/bscw.py
index c77f582..33a81ee 100644
--- a/integrator/bscw.py
+++ b/integrator/bscw.py
@@ -190,7 +190,7 @@ class ReadContainer(BSCWProxyBase, ReadContainer):
     def data(self):
         data = self.attributes
         if len(data) > 1:
-            return dict((item['id'], item) for item in data[1])
+            return dict((item['id'], item) for item in data[1] if 'id' in item)
         else:
             return {}