diff --git a/spec/commands/whereami_spec.rb b/spec/commands/whereami_spec.rb
index c93d7944..65bd8321 100644
--- a/spec/commands/whereami_spec.rb
+++ b/spec/commands/whereami_spec.rb
@@ -181,15 +181,18 @@ describe "whereami" do
         Object.remove_const(:Horse)
       end
 
-      it 'should show class when -c option used, and binding is outside a method' do
-        class Cor
-          def blimey;end
+      # https://github.com/rubinius/rubinius/pull/2247
+      unless Pry::Helpers::BaseHelpers.rbx?
+        it 'should show class when -c option used, and binding is outside a method' do
+          class Cor
+            def blimey;end
 
-          out = pry_eval(binding, 'whereami -c')
-          out.should =~ /class Cor/
-          out.should =~ /blimey/
+            out = pry_eval(binding, 'whereami -c')
+            out.should =~ /class Cor/
+            out.should =~ /blimey/
+          end
+          Object.remove_const(:Cor)
         end
-        Object.remove_const(:Cor)
       end
     end