diff --git a/ubuntu-deb-general/defaults/main.yml b/ubuntu-deb-general/defaults/main.yml
index 3f87b173..4b751a34 100644
--- a/ubuntu-deb-general/defaults/main.yml
+++ b/ubuntu-deb-general/defaults/main.yml
@@ -109,8 +109,9 @@ manage_root_ssh_keys: True
 install_additional_ca_certs: False
 additional_ca_dest_dir: /usr/local/share/ca-certificates
 # IMPORTANT: the destination file extension must be .crt
+# Put the source inside the files directory of this role.
 #x509_additional_ca_certs:
-#  - { url: "https://security.fi.infn.it/CA/mgt/INFNCA.pem", dest_file: '{{ additional_ca_dest_dir }}/infn-ca.crt' }
+#  - { file: "local-ca.crt", dest_file: '{{ additional_ca_dest_dir }}/infn-ca.crt' }
 
 #
 default_security_limits:
diff --git a/ubuntu-deb-general/files/infn-ca-2015.crt b/ubuntu-deb-general/files/infn-ca-2015.crt
new file mode 100644
index 00000000..fad0bf04
--- /dev/null
+++ b/ubuntu-deb-general/files/infn-ca-2015.crt
@@ -0,0 +1,33 @@
+-----BEGIN CERTIFICATE-----
+MIIFwjCCA6qgAwIBAgIJALMmAsZ9SSYnMA0GCSqGSIb3DQEBCwUAMEMxCzAJBgNV
+BAYTAklUMQ0wCwYDVQQKEwRJTkZOMSUwIwYDVQQDExxJTkZOIENlcnRpZmljYXRp
+b24gQXV0aG9yaXR5MB4XDTE1MTAwNjEwMjIwNVoXDTMwMTAwNjEwMjIwNVowQzEL
+MAkGA1UEBhMCSVQxDTALBgNVBAoTBElORk4xJTAjBgNVBAMTHElORk4gQ2VydGlm
+aWNhdGlvbiBBdXRob3JpdHkwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoIC
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+3STid3YmYOcMMf8C0nAVGktdjw2hqYVjP+pw7mnmWFog/mNMkw/Q7/avLeoiY8I+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+-----END CERTIFICATE-----
diff --git a/ubuntu-deb-general/files/infn-ca.crt b/ubuntu-deb-general/files/infn-ca.crt
new file mode 100644
index 00000000..d1e7b84b
--- /dev/null
+++ b/ubuntu-deb-general/files/infn-ca.crt
@@ -0,0 +1,21 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/ubuntu-deb-general/tasks/install_external_ca_cert.yml b/ubuntu-deb-general/tasks/install_external_ca_cert.yml
index 03a76e24..fb30b391 100644
--- a/ubuntu-deb-general/tasks/install_external_ca_cert.yml
+++ b/ubuntu-deb-general/tasks/install_external_ca_cert.yml
@@ -1,6 +1,6 @@
 ---
 - name: Install the additional CA certificates
-  get_url: url={{ item.url }} dest={{ item.dest_file }}
+  file: src={{ item.url }} dest={{ item.dest_file }}
   with_items: '{{ x509_additional_ca_certs }}'
   when: install_additional_ca_certs
   notify: Update the CA bundle list