diff --git a/_data/signed/manico.yaml b/_data/signed/manico.yaml
index 41da6fd05..f154d8828 100644
--- a/_data/signed/manico.yaml
+++ b/_data/signed/manico.yaml
@@ -1,2 +1,2 @@
 name: Marc Nicolaus
-link: rma@marc-nicolaus.de
+link: mailto:rma@marc-nicolaus.de