diff --git a/aqt/sync.py b/aqt/sync.py
index fae59c3de..da2d12cb2 100755
--- a/aqt/sync.py
+++ b/aqt/sync.py
@@ -239,7 +239,8 @@ class SyncThread(QThread):
             self.client.upload()
         else:
             self.client.download()
-        # move on to media sync
+        # reopen db and move on to media sync
+        self.col.reopen()
         self._syncMedia()
 
     def _syncMedia(self):