diff --git a/_data/signed/nezzept.yaml b/_data/signed/nezzept.yaml
index 0568b010f..a609ade0b 100644
--- a/_data/signed/nezzept.yaml
+++ b/_data/signed/nezzept.yaml
@@ -1,2 +1,2 @@
 name: Danny Nakielski
-link: nakielski@d-n-systems.de
+link: mailto:nakielski@d-n-systems.de