diff --git a/python/extract.py b/python/extract.py
index cde9fd3..1e82116 100644
--- a/python/extract.py
+++ b/python/extract.py
@@ -1,5 +1,6 @@
 import sys
 import os
+import datetime
 import ifcopenshell 
 import ifcopenshell.util.element
 import ifcopenshell.util.selector
@@ -84,7 +85,8 @@ def compute_server(p):
     select(model,"IfcBuildingStorey")
     print("writing test.ifc")
     arg = "test"
-    p = "/home/fordj/SOURCES/FORDJ/fordjx/hackathon-zurich/ifc/" + arg + ".ifc"
+    now = datetime.datetime.now()
+    p = "/home/fordj/SOURCES/FORDJ/fordjx/hackathon-zurich/output/" + arg + "_" + now +  ".ifc"
     create(p,lst)
 
 if len(sys.argv) == 1: