diff --git a/anki/consts.py b/anki/consts.py
index 55c3f0df5..db63d68be 100644
--- a/anki/consts.py
+++ b/anki/consts.py
@@ -42,7 +42,7 @@ MODEL_STD = 0
 MODEL_CLOZE = 1
 
 # deck schema & syncing vars
-SCHEMA_VERSION = 4
+SCHEMA_VERSION = 5
 SYNC_ZIP_SIZE = int(2.5*1024*1024)
 SYNC_URL = os.environ.get("SYNC_URL") or "https://beta.ankiweb.net/sync/"
 SYNC_VER = 2
diff --git a/anki/storage.py b/anki/storage.py
index fef838469..84c48140c 100644
--- a/anki/storage.py
+++ b/anki/storage.py
@@ -92,6 +92,9 @@ def _upgrade(col, ver):
         for m in clozes:
             _upgradeClozeModel(col, m)
         col.db.execute("update col set ver = 4")
+    if ver < 5:
+        col.db.execute("update cards set odue = 0 where queue = 2")
+        col.db.execute("update col set ver = 5")
 
 def _upgradeClozeModel(col, m):
     m['type'] = MODEL_CLOZE