diff --git a/backend/task/tasks.py b/backend/task/tasks.py
index ff3f0278..2f83b4c5 100644
--- a/backend/task/tasks.py
+++ b/backend/task/tasks.py
@@ -272,9 +272,9 @@ def thumbnail_check(self):
         return
 
     manager.init(self)
-    thumnail = ThumbValidator(task=self)
-    thumnail.validate()
-    thumnail.clean_up()
+    thumbnail = ThumbValidator(task=self)
+    thumbnail.validate()
+    thumbnail.clean_up()
 
 
 @shared_task(bind=True, name="resync_thumbs", base=BaseTask)