diff --git a/app/controllers/public/profile_controller.rb b/app/controllers/public/profile_controller.rb
index af3a302..73d57ae 100644
--- a/app/controllers/public/profile_controller.rb
+++ b/app/controllers/public/profile_controller.rb
@@ -23,7 +23,7 @@ class ProfileController < PublicController
 
   def tags
     @tags_cache_key = "tags_profile_#{profile.id.to_s}"
-    if is_cache_expired?(@tags_cache_key, true)
+    if is_cache_expired?(@tags_cache_key)
       @tags = profile.article_tags
     end
   end
@@ -31,7 +31,7 @@ class ProfileController < PublicController
   def content_tagged
     @tag = params[:id]
     @tag_cache_key = "tag_#{CGI.escape(@tag.to_s)}_#{profile.id.to_s}_page_#{params[:npage]}"
-    if is_cache_expired?(@tag_cache_key, true)
+    if is_cache_expired?(@tag_cache_key)
       @tagged = profile.find_tagged_with(@tag).paginate(:per_page => 20, :page => params[:npage])
     end
   end
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 06e600b..8bbb444 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -1316,4 +1316,9 @@ module ApplicationHelper
   def cache_timeout(key, timeout, &block)
     cache(key, { :expires_in => timeout }, &block)
   end
+
+  def is_cache_expired?(key)
+    !cache_store.fetch(ActiveSupport::Cache.expand_cache_key(key, :controller))
+  end
+
 end
--
libgit2 0.21.2