diff --git a/konova/utils/wfs/spatial.py b/konova/utils/wfs/spatial.py
index 34b037c..8a7bf36 100644
--- a/konova/utils/wfs/spatial.py
+++ b/konova/utils/wfs/spatial.py
@@ -180,12 +180,15 @@ class ParcelWFSFetcher(AbstractWFSFetcher):
 
             members = collection.get(
                 "wfs:member",
-                [],
+                None,
             )
-            if len(members) > 1:
-                features += members
-            else:
-                features += [members]
+            if members is not None:
+                if len(members) > 1:
+                    # extend feature list with found list of new feature members
+                    features += members
+                else:
+                    # convert single found feature member into list and extent feature list
+                    features += [members]
 
             if collection.get("@next", None) is not None:
                 start_index += self.count