diff --git a/tests/test_sync.py b/tests/test_sync.py
index 5b4f9553a..e852a71e9 100644
--- a/tests/test_sync.py
+++ b/tests/test_sync.py
@@ -326,5 +326,5 @@ def test_formdata():
     deck1 = deck1.saveAs(name)
     deck1.setModified()
     client.deck = deck1
-    client.prepareSync()
+    client.prepareSync(0)
     client.prepareFullSync()