diff --git a/app/controllers/tag_corrections_controller.rb b/app/controllers/tag_corrections_controller.rb
index 7bda603c6..5a3635f33 100644
--- a/app/controllers/tag_corrections_controller.rb
+++ b/app/controllers/tag_corrections_controller.rb
@@ -1,5 +1,5 @@
 class TagCorrectionsController < ApplicationController
-  before_action :builder_only
+  before_action :builder_only, only: [:new, :create]
 
   def new
     @correction = TagCorrection.new(params[:tag_id])
diff --git a/app/logical/tag_correction.rb b/app/logical/tag_correction.rb
index 9094ea904..f3efd7c2c 100644
--- a/app/logical/tag_correction.rb
+++ b/app/logical/tag_correction.rb
@@ -19,7 +19,7 @@ class TagCorrection
   end
 
   def fill_hash!
-    res = HTTParty.get("http://#{hostname}/tags/#{tag_id}/correction.json", Danbooru.config.httparty_options)
+    res = HTTParty.get("https://#{hostname}.#{Danbooru.config.domain}/tags/#{tag_id}/correction.json", Danbooru.config.httparty_options)
     if res.success?
       json = JSON.parse(res.body)
       statistics_hash["category_cache"] = json["category_cache"]
diff --git a/app/presenters/post_presenter.rb b/app/presenters/post_presenter.rb
index 865d12eef..bec9cc382 100644
--- a/app/presenters/post_presenter.rb
+++ b/app/presenters/post_presenter.rb
@@ -168,7 +168,7 @@ class PostPresenter < Presenter
 
   def safe_mode_message(template)
     html = ["This image is unavailable on safe mode (#{Danbooru.config.app_name}). Go to "]
-    html << template.link_to("Danbooru", "http://danbooru.donmai.us") # XXX don't hardcode.
+    html << template.link_to("Danbooru", "https://danbooru.donmai.us") # XXX don't hardcode.
     html << " or disable safe mode to view ("
     html << template.link_to("learn more", template.wiki_pages_path(title: "help:user_settings"))
     html << ")."
diff --git a/app/views/posts/partials/index/_posts.html.erb b/app/views/posts/partials/index/_posts.html.erb
index 3322db011..000f7c607 100644
--- a/app/views/posts/partials/index/_posts.html.erb
+++ b/app/views/posts/partials/index/_posts.html.erb
@@ -14,7 +14,7 @@
       <% end %>
 
       <% if post_set.safe_posts.present? %>
-        <%= post_set.safe_posts.size %> post(s) on this page were hidden by safe mode (<%= Danbooru.config.app_name %>). Go to <%= link_to "Danbooru", "http://danbooru.donmai.us" %> or disable safe mode to view (<%= link_to "learn more", wiki_pages_path(title: "help:user_settings") %>).<br>
+        <%= post_set.safe_posts.size %> post(s) on this page were hidden by safe mode (<%= Danbooru.config.app_name %>). Go to <%= link_to "Danbooru", "https://danbooru.donmai.us" %> or disable safe mode to view (<%= link_to "learn more", wiki_pages_path(title: "help:user_settings") %>).<br>
       <% end %>
     </div>
   <% end %>
diff --git a/config/danbooru_default_config.rb b/config/danbooru_default_config.rb
index 329c8143b..34f805ba1 100644
--- a/config/danbooru_default_config.rb
+++ b/config/danbooru_default_config.rb
@@ -20,6 +20,10 @@ module Danbooru
       "Find good anime art fast"
     end
 
+    def domain
+      "donmai.us"
+    end
+
     # The canonical hostname of the site.
     def hostname
       Socket.gethostname