diff --git a/Gemfile.lock b/Gemfile.lock
index 5c83e9a..d53a4d5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,9 +6,9 @@ PATH
 PATH
   remote: /home/tobi/github/simplecov
   specs:
-    simplecov (0.18.1)
+    simplecov (0.18.2)
       docile (~> 1.1)
-      simplecov-html (~> 0.11.0)
+      simplecov-html (~> 0.11)
 
 GEM
   remote: https://rubygems.org/
diff --git a/views/source_file.erb b/views/source_file.erb
index e9bc5a6..92d7958 100644
--- a/views/source_file.erb
+++ b/views/source_file.erb
@@ -45,7 +45,7 @@
               <% end %>
             <% end %>
 
-            <code class="ruby"><%= CGI.escapeHTML(line.src.chomp.encode('UTF-8', invalid: :replace, undef: :replace)) %></code>
+            <code class="ruby"><%= CGI.escapeHTML(line.src.chomp) %></code>
           </li>
         </div>
       <% end %>