diff --git a/src/freedombone-adduser b/src/freedombone-adduser
index 0af94045..1d9cea6f 100755
--- a/src/freedombone-adduser
+++ b/src/freedombone-adduser
@@ -153,7 +153,7 @@ su -c "monkeysphere gen-subkey $MY_GPG_PUBLIC_KEY_ID" - $MY_USERNAME
 # add authorized GPG email address
 mkdir /home/$MY_USERNAME/.monkeysphere
 chmod 755 /home/$MY_USERNAME/.monkeysphere
-echo "$MY_USERNAME <${$MY_USERNAME@$HOSTNAME}>" > /home/$MY_USERNAME/.monkeysphere/authorized_user_ids
+echo "$MY_USERNAME <\${$MY_USERNAME@$HOSTNAME}>" > /home/$MY_USERNAME/.monkeysphere/authorized_user_ids
 chmod 644 /home/$MY_USERNAME/.monkeysphere/authorized_user_ids
 chown -R $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.monkeysphere
 monkeysphere-authentication update-users