diff --git a/doorUpdater.py b/doorUpdater.py
index f8eb0dc..444802e 100755
--- a/doorUpdater.py
+++ b/doorUpdater.py
@@ -85,7 +85,7 @@ def makeMember(member, doorAuth):
 
     return out
 
-def makeDoor(doorName, doorData, members, prevHash):
+def makeDoor(doorName, doorData, members, hashes):
     """Create a CSV for the given door"""
     outString = StringIO()
     writer = csv.DictWriter(outString, fieldnames)
@@ -99,12 +99,14 @@ def makeDoor(doorName, doorData, members, prevHash):
 
     outString.seek(0)
     doorHash = md5(bytes(outString.getvalue(), 'utf8')).hexdigest()
-    if doorHash == prevHash:
+    if doorHash == hashes.get(doorName):
         print("Door", doorName, "not changed, not updating")
     else:
+        hashes[doorName] = doorHash
         doCSVImport(doorData["ip"], outString)
-
-    return doorHash
+        # write out hash if we sucessfully updated this door
+        with open('/tmp/doorUpdaterLastHash', 'w') as f:
+            json.dump(hashes, f)
 
 def main():
     data = getMembershipworksData()
@@ -119,12 +121,7 @@ def main():
 
     for doorName, doorData in config["doors"].items():
         print(doorName, doorData)
-        hashes[doorName] = makeDoor(doorName, doorData, members,
-                                    hashes.get(doorName, ""))
-
-    # write out hash if we sucessfully got here
-    with open('/tmp/doorUpdaterLastHash', 'w') as f:
-        json.dump(hashes, f)
+        makeDoor(doorName, doorData, members, hashes)
 
 if __name__ == '__main__':
     main()