diff --git a/db/migrate/20210923172256_issue_2619_kb_header_link_color.rb b/db/migrate/20210923172256_issue_2619_kb_header_link_color.rb
index 8c7098004..b2b39ea8b 100644
--- a/db/migrate/20210923172256_issue_2619_kb_header_link_color.rb
+++ b/db/migrate/20210923172256_issue_2619_kb_header_link_color.rb
@@ -4,8 +4,8 @@ class Issue2619KbHeaderLinkColor < ActiveRecord::Migration[6.0]
   def up
     return if !Setting.exists?(name: 'system_init_done')
 
-    add_column :knowledge_bases, :color_header_link, :string, limit: 25, null: false, default: 'hsl(206,8%,50%)'
+    add_column :knowledge_bases, :color_header_link, :string, limit: 25, null: false, default: 'hsl(206,8%,50%)' # rubocop:disable Zammad/ExistsResetColumnInformation
     change_column_default :knowledge_bases, :color_header_link, nil
-    KnowledgeBasis.reset_column_information
+    KnowledgeBase.reset_column_information
   end
 end