diff --git a/_index.md b/_index.md
index fdc1bac66db0f30fb0c6202327398a06b7a75f25..1477b9365ed2b08249230d3ebfc1990352803c04 100644
--- a/_index.md
+++ b/_index.md
@@ -47,5 +47,5 @@ Spare me the details just give me the links to the docs!
 ### Events
   - Ongoing:
      - **card10 reworking/soldering/firmware/etc.**: card10 village (R8):
-       - firmware work, please bring your laptop with a clone of the firmware git and the [toolchain](firmware.card10.badge.events.ccc.de/how-to-build.html)
+       - firmware work, please bring your laptop with a clone of the firmware git and the [toolchain](https://firmware.card10.badge.events.ccc.de/how-to-build.html)