diff --git a/app/services/static.rb b/app/services/static.rb
index e4a97bec64ec141bb9cd8e279e4496fdc0c9d166..6728ae1d96705bcf5e1688d672dd2779ffe6b0f7 100644
--- a/app/services/static.rb
+++ b/app/services/static.rb
@@ -5,7 +5,7 @@ class Static
   end
 
   def self.render(template_static, about, website)
-    string = ApplicationController.render(
+    code = ApplicationController.render(
       template: template_static,
       layout: false,
       assigns: {
@@ -14,7 +14,7 @@ class Static
       }
     )
     # We don't want ' in the frontmatters!
-    string.gsub! '&#39\;', "'"
-    string
+    code = code.gsub "&#39\;", "'"
+    code
   end
 end