diff --git a/app/helpers/washout_builder_helper.rb b/app/helpers/washout_builder_helper.rb
index b137b1f..f2cb81e 100644
--- a/app/helpers/washout_builder_helper.rb
+++ b/app/helpers/washout_builder_helper.rb
@@ -64,10 +64,10 @@ def get_class_ancestors(param,class_name, defined)
   def get_nested_complex_types(param, defined)
     defined = [] if defined.blank?
     complex_class = get_complex_class_name(param, defined)
-    if param.classified? 
-      defined << {:class =>complex_class, :obj => param, :ancestors => get_class_ancestors(param, complex_class, defined)} unless complex_class.nil?
+    if param.classified? && !complex_class.nil?
+      defined << {:class =>complex_class, :obj => param, :ancestors => get_class_ancestors(param, complex_class, defined)}
     else
-      defined << {:class =>complex_class, :obj => param} unless complex_class.nil?
+      defined << {:class =>complex_class, :obj => param} 
     end
     if param.is_complex?
       c_names = []
diff --git a/lib/washout_builder/version.rb b/lib/washout_builder/version.rb
index a469221..01701c3 100644
--- a/lib/washout_builder/version.rb
+++ b/lib/washout_builder/version.rb
@@ -1,3 +1,3 @@
 module WashoutBuilder
-  VERSION = "0.5.0"
+  VERSION = "0.5.1"
 end