diff --git a/src/calibre/library/restore.py b/src/calibre/library/restore.py
index 20065309aa..8bd7174849 100644
--- a/src/calibre/library/restore.py
+++ b/src/calibre/library/restore.py
@@ -24,6 +24,7 @@ NON_EBOOK_EXTENSIONS = frozenset([
 class RestoreDatabase(LibraryDatabase2):
 
     PATH_LIMIT = 10
+    WINDOWS_LIBRARY_PATH_LIMIT = 180
 
     def set_path(self, *args, **kwargs):
         pass