lib/fb_graph/node.rb in fb_graph-1.3.2 vs lib/fb_graph/node.rb in fb_graph-1.3.3

@@ -70,10 +70,10 @@
     end
 
     def stringfy_params(params)
       _params_ = params.dup
       _params_[:access_token] ||= self.access_token
-      if access_token.is_a?(OAuth2::AccessToken)
+      if _params_[:access_token].is_a?(OAuth2::AccessToken)
         _params_[:access_token] = _params_[:access_token].token
       end
       _params_.each do |key, value|
         if value.present? && ![Symbol, String, Numeric, IO].any? { |klass| value.is_a? klass }
           _params_[key] = value.to_json
\ No newline at end of file