lib/madvertise/gc_stats.rb in madvertise-ext-0.5.3 vs lib/madvertise/gc_stats.rb in madvertise-ext-0.6.0

@@ -36,10 +36,10 @@
       objects = objects[:TOTAL] - objects[:FREE]
       Metriks.histogram('gc_stats.objects').update(objects)
     end
   end
 
-  if RUBY_VERSION =~ /^1\.9/
+  if RUBY_ENGINE == 'ruby' and RUBY_VERSION =~ /^1\.9/
     extend Yarv
   end
 
   def self.available?
     respond_to?(:gather)