diff --git a/src/freedombone-image-mesh b/src/freedombone-image-mesh
index 6834eae323d74563b7c27882442a8ca3bdeb1011..a3b7638c46adfc16b04afa3e9f40c8ca8c34a348 100755
--- a/src/freedombone-image-mesh
+++ b/src/freedombone-image-mesh
@@ -124,6 +124,7 @@ function set_hostname {
     DEFAULT_DOMAIN_NAME="$1"
 
     echo "$DEFAULT_DOMAIN_NAME" > /etc/hostname
+    echo "$DEFAULT_DOMAIN_NAME" > /etc/mailname
     hostname $DEFAULT_DOMAIN_NAME
 
     if grep -q "127.0.1.1" /etc/hosts; then