diff --git a/app/services/user_updater.rb b/app/services/user_updater.rb
index d4a3a286000..30d6d46e915 100644
--- a/app/services/user_updater.rb
+++ b/app/services/user_updater.rb
@@ -90,7 +90,7 @@ class UserUpdater
 
       user.primary_group_id = attributes[:primary_group_id]
     elsif SiteSetting.user_selected_primary_groups &&
-      !attributes[:primary_group_id].present?
+      attributes[:primary_group_id].blank?
 
       user.primary_group_id = nil
     end