diff --git a/parsers/caves.py b/parsers/caves.py
index 48c464f..f063731 100644
--- a/parsers/caves.py
+++ b/parsers/caves.py
@@ -222,7 +222,7 @@ def do_ARGE_cave(slug, caveid, areacode, svxid):
     commentary= "ARGE or VfHO cave.<br />3 lines of the survexfile,<br /> then all the *begin lines and any '; Messteam' and '; Zeichner' lines:<br><pre>" 
     cave = Cave( 
     underground_description=commentary + line1 +line2 +line3 +passages +"</pre>",
-    unofficial_number="ARGE-or-VfHO",
+    unofficial_number="",
     survex_file= f"{svxid}.svx",
     url=url, 
     notes=default_note,