lib/grape/middleware/versioner/param.rb in grape-0.6.1 vs lib/grape/middleware/versioner/param.rb in grape-0.7.0

@@ -25,20 +25,18 @@
           }
         end
 
         def before
           paramkey = options[:parameter]
-          potential_version = request.params[paramkey]
-
+          potential_version = Rack::Utils.parse_nested_query(env['QUERY_STRING'])[paramkey]
           unless potential_version.nil?
             if options[:versions] && !options[:versions].find { |v| v.to_s == potential_version }
               throw :error, status: 404, message: "404 API Version Not Found", headers: { 'X-Cascade' => 'pass' }
             end
             env['api.version'] = potential_version
-            env['rack.request.query_hash'].delete(paramkey)
+            env['rack.request.query_hash'].delete(paramkey) if env.key? 'rack.request.query_hash'
           end
         end
-
       end
     end
   end
 end