diff --git a/HowtoSSL.md b/HowtoSSL.md
index 4f214b04..6ef0c8b1 100644
--- a/HowtoSSL.md
+++ b/HowtoSSL.md
@@ -140,7 +140,13 @@ openssl pkcs7 -print_certs -in certificate.p7b -out certificate.cer
 openssl x509 -inform der -in certificate.cer -out certificate.pem
 ~~~
 
-### Utilisation de Let's Encrypt
+### Convertir PEM vers pkcs12
+
+~~~
+openssl pkcs12 -export -inkey private.key -in certificate.crt -out private.p12
+~~~
+
+## Utilisation de Let's Encrypt
 
 Voir [notre HowtoLetsEncrypt](https://wiki.evolix.org/HowtoLetsEncrypt)