Alloy Orichalum V3.3.1 RSS FEED Bug?

Until a few week i wrote the parts of the RSS Feed by my self. Now i activated the RSS Feed in Alloy but the RSS-FEED Function produces a wrong URL …

right URL

wrong URL produced by Alloy
https://www.naturfotoworkshop.at/blog/index_?id=42-plus-20-limitierte-sommer-gutschein-aktion

The part “index_?” of the URL is wrong. Has anybody a idea why?

Thanks in advance…

Herbert Koeppel