diff --git a/yomi_base/anki_bridge.py b/yomi_base/anki_bridge.py
index edc57ef..48e4090 100644
--- a/yomi_base/anki_bridge.py
+++ b/yomi_base/anki_bridge.py
@@ -49,7 +49,8 @@ class Anki:
         note.tags = tags
 
         for name, value in fields.items():
-            note[name] = value
+            if name in note:
+                note[name] = value
 
         if not note.dupeOrEmpty():
             return note