diff --git a/src/freedombone-clientcert b/src/freedombone-clientcert
index cad18c78..65a14f45 100755
--- a/src/freedombone-clientcert
+++ b/src/freedombone-clientcert
@@ -131,6 +131,7 @@ mv /etc/ssl/certs/$USERNAME.cer /home/$USERNAME/emailcert
 cp /etc/ssl/certs/dovecot-ca.crt /home/$USERNAME/emailcert
 mv /etc/ssl/private/$USERNAME.key /home/$USERNAME/emailcert
 mv /etc/ssl/certs/$USERNAME.crt /home/$USERNAME/emailcert
+openssl pkcs12 -export -in /home/$USERNAME/emailcert/$USERNAME.cer -out /home/$USERNAME/emailcert/$USERNAME.p12 -inkey /home/$USERNAME/emailcert/$USERNAME.key -certfile /home/$USERNAME/emailcert/dovecot-ca.crt
 
 # make an install script
 echo '#!/bin/bash' > /home/$USERNAME/emailcert/install.sh