diff --git a/lib/compat/multi_json.rb b/lib/compat/multi_json.rb
index 6732454469f..7d3953ae90e 100644
--- a/lib/compat/multi_json.rb
+++ b/lib/compat/multi_json.rb
@@ -1,14 +1,14 @@
 gem 'multi_json', '>= 1.0.0'
 require 'multi_json'
 
-unless MultiJson.respond_to?(:load)
+if !MultiJson.respond_to?(:load) || MultiJson.method(:load).owner == Kernel
   module MultiJson
     class <<self
       alias :load :decode
     end
   end
 end
-unless MultiJson.respond_to?(:dump)
+if !MultiJson.respond_to?(:dump)
   module MultiJson
     class <<self
       alias :dump :encode