diff --git a/oml/downloads.py b/oml/downloads.py
index 8bd6cc4..70333e0 100644
--- a/oml/downloads.py
+++ b/oml/downloads.py
@@ -28,7 +28,7 @@ class Downloads(Thread):
         if now > settings.server.get('last_update_check', 0) + 24*60*60:
             settings.server['last_update_check'] = now
             update.download()
-            state.user().library.export_json()
+            state.user().export_library()
 
     def download_next(self):
         import item.models
diff --git a/oml/user/models.py b/oml/user/models.py
index af88441..5c7d771 100644
--- a/oml/user/models.py
+++ b/oml/user/models.py
@@ -92,6 +92,13 @@ class User(db.Model):
         j['name'] = self.name
         return j
 
+    def export_library(self):
+        old_path = os.path.join(os.path.expanduser(settings.preferences['libraryPath']), 'Books', 'library.json')
+        if os.path.exists(old_path):
+            os.unlink(old_path)
+        path = os.path.join(settings.data_path, 'library.json')
+        self.library.export_json(path)
+
     def is_online(self):
         return state.nodes and state.nodes.is_online(self.id)