diff --git a/lib/tasks/update_wiki_article_slugs.rake b/lib/tasks/update_wiki_article_slugs.rake
index b733e531..82901b7d 100644
--- a/lib/tasks/update_wiki_article_slugs.rake
+++ b/lib/tasks/update_wiki_article_slugs.rake
@@ -1,7 +1,7 @@
 desc "Upgrade wiki articles slugs from + to - for spaces"
 task :update_wiki_article_slugs => :environment do
   user = User.find_by_username("mitsiee")
-  user = User.find_by_username("admin") unless @user.present?
+  user = User.find_by_username("admin") unless user.present?
 
   articles_ids = Wiki::Article.group(:group_id).maximum(:id).values
   articles = Wiki::Article.where(id: articles_ids)
diff --git a/lib/tasks/upgrade_wiki_articles.rake b/lib/tasks/upgrade_wiki_articles.rake
index b8f3f6a1..8c720071 100644
--- a/lib/tasks/upgrade_wiki_articles.rake
+++ b/lib/tasks/upgrade_wiki_articles.rake
@@ -5,7 +5,7 @@ task :upgrade_wiki_articles => :environment do
   defaults = YAML.safe_load(File.read(Rails.root.join("config/arrays/wiki", "defaults.yml")))
 
   user = User.find_by_username("mitsiee")
-  user = User.find_by_username("admin") unless @user.present?
+  user = User.find_by_username("admin") unless user.present?
 
   (actions + values).each do |current|
     article = Wiki::Article.where(title: current["en-US"]).last