diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index f540f8d84..db9a1c877 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -111,7 +111,7 @@ module ApplicationHelper
   end
 
   def tag_colors(tag)
-    Rails.cache.fetch("view-helper-#{tag}/tag_colors", expires_in: 5.hours) do
+    RedisRailsCache.fetch("view-helper-#{tag}/tag_colors", expires_in: 5.hours) do
       if (found_tag = Tag.select(%i[bg_color_hex text_color_hex]).find_by(name: tag))
         { background: found_tag.bg_color_hex, color: found_tag.text_color_hex }
       else
diff --git a/app/views/articles/show.html.erb b/app/views/articles/show.html.erb
index e7a7cedb4..d8e5b5b07 100644
--- a/app/views/articles/show.html.erb
+++ b/app/views/articles/show.html.erb
@@ -173,7 +173,8 @@
         <% cache("main-article-tags-#{@article.cached_tag_list}", expires_in: 30.hours) do %>
           <div class="tags">
             <% @article.cached_tag_list_array.each do |tag| %>
-              <a class="tag" href="/t/<%= tag %>" style="background-color:<%= tag_colors(tag)[:background] %>;color:<%= tag_colors(tag)[:color] %>">#<%= tag %></a>
+              <% tag_hash = tag_colors(tag) %>
+              <a class="tag" href="/t/<%= tag %>" style="background-color:<%= tag_hash[:background] %>;color:<%= tag_hash[:color] %>">#<%= tag %></a>
             <% end %>
           </div>
         <% end %>
diff --git a/app/views/moderations/index.html.erb b/app/views/moderations/index.html.erb
index 2b6b3b12c..f4424ba8c 100644
--- a/app/views/moderations/index.html.erb
+++ b/app/views/moderations/index.html.erb
@@ -103,7 +103,8 @@
             <% cache("main-article-tags-#{article.cached_tag_list}", expires_in: 30.hours) do %>
               <div class="tags">
                 <% article.cached_tag_list_array.each do |tag| %>
-                  <a class="tag" href="/t/<%= tag %>" style="background-color:<%= tag_colors(tag)[:background] %>;color:<%= tag_colors(tag)[:color] %>">#<%= tag %></a>
+                  <% tag_hash = tag_colors(tag) %>
+                  <a class="tag" href="/t/<%= tag %>" style="background-color:<%= tag_hash[:background] %>;color:<%= tag_hash[:color] %>">#<%= tag %></a>
                 <% end %>
               </div>
             <% end %>