lib/versioncake/strategies/query_parameter_strategy.rb in versioncake-1.3.0 vs lib/versioncake/strategies/query_parameter_strategy.rb in versioncake-2.0.0

@@ -1,10 +1,10 @@
 module VersionCake
   class QueryParameterStrategy < ExtractionStrategy
 
     def execute(request)
-      if request.query_parameters.key? @@version_string.to_sym
-        request.query_parameters[@@version_string.to_sym]
+      if request.query_parameters.key? version_key.to_sym
+        request.query_parameters[version_key.to_sym].to_s
       end
     end
 
   end
 end