lib/nanoc3/base/layout.rb in nanoc3-3.1.7 vs lib/nanoc3/base/layout.rb in nanoc3-3.1.8

@@ -46,10 +46,10 @@
         @mtime = params[:mtime]
       end
 
       @raw_content  = raw_content
       @attributes   = attributes.symbolize_keys
-      @identifier   = identifier.cleaned_identifier
+      @identifier   = identifier.cleaned_identifier.freeze
     end
 
     # Requests the attribute with the given key.
     #
     # @param [Symbol] key The name of the attribute to fetch.