1 files changed, 2 insertions, 2 deletions
diff --git a/actionpack/lib/action_dispatch/http/parameters.rb b/actionpack/lib/action_dispatch/http/parameters.rb
index add8cab2ab..5e1a2405f7 100644
--- a/actionpack/lib/action_dispatch/http/parameters.rb
+++ b/actionpack/lib/action_dispatch/http/parameters.rb
@@ -15,14 +15,14 @@ module ActionDispatch
       alias :params :parameters
 
       def path_parameters=(parameters) #:nodoc:
-        @env.delete("action_dispatch.request.symbolized_path_parameters")
+        @_symbolized_path_params = nil
         @env.delete("action_dispatch.request.parameters")
         @env["action_dispatch.request.path_parameters"] = parameters
       end
 
       # The same as <tt>path_parameters</tt> with explicitly symbolized keys.
       def symbolized_path_parameters
-        @env["action_dispatch.request.symbolized_path_parameters"] ||= path_parameters.symbolize_keys
+        @_symbolized_path_params ||= path_parameters.symbolize_keys
       end
 
       # Returns a hash with the \parameters used to form the \path of the request.