diff --git a/spec/unit/puppet/parser/functions/time_spec.rb b/spec/unit/puppet/parser/functions/time_spec.rb
index 666e8e0fe..5d6cd977f 100644
--- a/spec/unit/puppet/parser/functions/time_spec.rb
+++ b/spec/unit/puppet/parser/functions/time_spec.rb
@@ -20,7 +20,7 @@
 
   it "should return a number" do
     result = @scope.function_time([])
-    result.class.should(eq(Fixnum))
+    result.should be_an(Integer)
   end
 
   it "should be higher then when I wrote this test" do