diff --git a/lib/wadlgen/route_parser.rb b/lib/wadlgen/route_parser.rb
index ef7e841..d21f620 100644
--- a/lib/wadlgen/route_parser.rb
+++ b/lib/wadlgen/route_parser.rb
@@ -22,7 +22,7 @@ def get_route_structure(base)
       application.routes.routes.each do |route|
 
         defaults = route.defaults
-
+        next if defaults.empty?
         controller = defaults[:controller]
         action = defaults[:action]