diff --git a/lib/deka/response_handler.rb b/lib/deka/response_handler.rb
index 16f5fa2..212f239 100644
--- a/lib/deka/response_handler.rb
+++ b/lib/deka/response_handler.rb
@@ -30,6 +30,8 @@ def handle_response
         raise Deka::Exceptions::NotFoundError, error_message
       when 500
         raise Deka::Exceptions::ResponseError, error_message
+      else
+        raise Deka::Exceptions::DStandardError, error_message
       end
     end