diff --git a/main.py b/main.py
index da9f31e..f984638 100644
--- a/main.py
+++ b/main.py
@@ -39,10 +39,10 @@ class SeafileUploader():
         drop = self.settingsDialog.group_location.widget_location.libraryEditDrop
         drop.clear()
         drop.setEnabled(False)
+        select = 0
         if self.isConfigured():
             self.libs = (self.seaf_client or self.seaf_lib.client).libraries()
             i=0
-            select = 0
             for lib in self.libs:
                 if self.seaf_lib is not None and lib.id == self.seaf_lib.id:
                     select = i