diff --git a/global/overlay/etc/puppet/manifests/cosmos-site.pp b/global/overlay/etc/puppet/manifests/cosmos-site.pp
index 53c2c36e..8855962d 100644
--- a/global/overlay/etc/puppet/manifests/cosmos-site.pp
+++ b/global/overlay/etc/puppet/manifests/cosmos-site.pp
@@ -317,6 +317,7 @@ class eidas_de_middleware_hsm($version="110-fixes-sc-p11",$hostname='localhost')
                    "EIDAS_SIGNER_DEFAULT_HASH_ALGORITHM=SHA256",
                    "PUBLIC_HOSTNAME=$_hostname",
                    "PKCS11_PIN=$pkcs11_pin",
+                   "PKCS11_CONFIG_LOCATION=/opt/eidas-middleware/configuration/hsm/pkcs11.properties",
                    "POSEIDAS_ADMIN_HASHED_PASSWORD=$poseidas_admin_hashed_password",
                    "DEMW_TLS_CLIENT_KEY=$demw_tls_client_key",
                    "DEMW_TLS_CLIENT_CERT=$demw_tls_client_cert",