diff --git a/_data/signed/ENA.yaml b/_data/signed/ENA.yaml
index 77ef7804..449590b4 100644
--- a/_data/signed/ENA.yaml
+++ b/_data/signed/ENA.yaml
@@ -1,2 +1,2 @@
 name: Christian Craven
-link: spectrumcompute@mail.com
+link: mailto:spectrumcompute@mail.com
diff --git a/_data/signed/TrechNex.yaml b/_data/signed/TrechNex.yaml
index bdc2f0dc..5c99ea1b 100644
--- a/_data/signed/TrechNex.yaml
+++ b/_data/signed/TrechNex.yaml
@@ -1,2 +1,2 @@
 name: Bobby Moss
-link: trechnex@members.fsf.org
+link: mailto:trechnex@members.fsf.org
diff --git a/_data/signed/rianne.yaml b/_data/signed/rianne.yaml
index f069f537..5cf330ea 100644
--- a/_data/signed/rianne.yaml
+++ b/_data/signed/rianne.yaml
@@ -1,2 +1,2 @@
 name: Rianne Schestowitz
-link: css@schestowitz.com
+link: mailto:css@schestowitz.com