diff --git a/lib/rb/spec/exception_spec.rb b/lib/rb/spec/exception_spec.rb
index c437a63..013f612 100644
--- a/lib/rb/spec/exception_spec.rb
+++ b/lib/rb/spec/exception_spec.rb
@@ -112,4 +112,12 @@
       e.write(prot)
     end
   end
+
+  describe ProtocolException do
+    it "should have an accessible type" do
+      prot = ProtocolException.new(ProtocolException::SIZE_LIMIT, "message")
+      prot.type.should == ProtocolException::SIZE_LIMIT
+      prot.message.should == "message"
+    end
+  end
 end