diff --git a/python/extract.py b/python/extract.py
index ccd390c..d61d18b 100644
--- a/python/extract.py
+++ b/python/extract.py
@@ -68,6 +68,7 @@ def create(name,objects):
         print("adding",item)
         run("spatial.assign_container", model, relating_structure=storey, product=item)
 
+    print("writing " + name)
     model.write(name)
 
 def compute(p):