diff --git a/roles/redmine/defaults/main.yml b/roles/redmine/defaults/main.yml
index 449b176..a998fca 100644
--- a/roles/redmine/defaults/main.yml
+++ b/roles/redmine/defaults/main.yml
@@ -145,6 +145,8 @@ redmine_saml_idp_sso_service_url: 'https://sso.desarrollo.unlp.edu.ar/saml2/idp/
 # see https://www.samltool.com/fingerprint.php
 # redmine_saml_idp_cert_fingerprint: 'certificate fingerprint'
 # redmine_saml_idp_cert: ''
+# if true, \n can be used in string
+redmine_saml_idp_cert_line_break_format: false
 # Used during SP-initiated SSO.
 # Describes the format of the username required by this application.
 # If you need the email address, use "urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress".
diff --git a/roles/redmine/templates/redmine/config/initializers/saml.rb.j2 b/roles/redmine/templates/redmine/config/initializers/saml.rb.j2
index 4623e03..99171d7 100644
--- a/roles/redmine/templates/redmine/config/initializers/saml.rb.j2
+++ b/roles/redmine/templates/redmine/config/initializers/saml.rb.j2
@@ -13,7 +13,10 @@ require Rails.root.join('plugins/redmine_saml/lib/redmine_saml/base')
 {% endif %}
 {% endif %}
 {% if saml_idp_cert != '' %}
+{% redmine_saml_idp_cert_line_break_format %}
     idp_cert: "{{ saml_idp_cert | replace('\n', '\\n') }}",
+{% else %}
+    idp_cert: '{{ saml_idp_cert }}',
 {% endif %}
 {% if saml_idp_slo_service_url != '' %}
     idp_slo_service_url: '{{ saml_idp_slo_service_url }}',