diff --git a/abcddb2vcard/ABCDDB.py b/abcddb2vcard/ABCDDB.py
index be3aff7..cec7934 100755
--- a/abcddb2vcard/ABCDDB.py
+++ b/abcddb2vcard/ABCDDB.py
@@ -280,7 +280,8 @@ class Service(Queryable):
         elif self.service == 'Yahoo':
             typ = 'ymsgr'
         else:
-            raise NotImplementedError('Unknown Service: ' + self.service)
+            typ = 'unknown'
+            print(f'Unknown Service: "{self.service}"', file=sys.stderr)
 
         # Dear Apple, why do you do such weird shit, URL encoding? bah!
         # Even worse, you break it so that reimport fails.