diff --git a/plinth/modules/storage/udisks2.py b/plinth/modules/storage/udisks2.py
index 466bce0f4..a98d985c8 100644
--- a/plinth/modules/storage/udisks2.py
+++ b/plinth/modules/storage/udisks2.py
@@ -170,7 +170,7 @@ def get_disks():
         }
         try:
             file_system = Filesystem(object_)
-            device['mount_points'] = file_system.mount_points
+            device['mount_points'] = file_system.mount_points or []
         except Exception:
             continue