diff --git a/plugin/__init__.py b/plugin/__init__.py
index 38851c5..589e1d4 100644
--- a/plugin/__init__.py
+++ b/plugin/__init__.py
@@ -350,17 +350,22 @@ class AnkiConnect:
         # Not a duplicate
         return 0
 
+    def raiseNotfoundError(self, errorMsg):
+        if anki_version < (2, 1, 55):
+            raise NotFoundError(errorMsg)
+        raise NotFoundError(errorMsg, None, None, None)
+
     def getCard(self, card_id: int) -> Card:
         try:
             return self.collection().getCard(card_id)
         except NotFoundError:
-            raise NotFoundError('Card was not found: {}'.format(card_id))
+            self.raiseNotfoundError('Card was not found: {}'.format(card_id))
 
     def getNote(self, note_id: int) -> Note:
         try:
             return self.collection().getNote(note_id)
         except NotFoundError:
-            raise NotFoundError('Note was not found: {}'.format(note_id))
+            self.raiseNotfoundError('Note was not found: {}'.format(note_id))
 
     def deckStatsToJson(self, due_tree):
         deckStats = {'deck_id': due_tree.deck_id,
diff --git a/tox.ini b/tox.ini
index 699b662..ab14f7c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -54,7 +54,7 @@ requires =
     pypi-timemachine
 envlist =
     py38-anki2.1.{45,46,47,48,49}
-    py39-anki2.1.{50,51,52,53}-qt{5,6}
+    py39-anki2.1.{50,51,52,53,54,55}-qt{5,6}
 
 [testenv:.tox]
 install_command =