diff --git a/app/models/upload.rb b/app/models/upload.rb
index bda663f192..995a185b29 100644
--- a/app/models/upload.rb
+++ b/app/models/upload.rb
@@ -34,7 +34,7 @@ class Upload < ActiveRecord::Base
       optimized_images << thumbnail
       self.width = width
       self.height = height
-      save!
+      save(validate: false)
     end
   end