diff --git a/manifests/agent.pp b/manifests/agent.pp
index b1ba6c94..bfa49e31 100644
--- a/manifests/agent.pp
+++ b/manifests/agent.pp
@@ -527,7 +527,7 @@
           }
           $agent_auth_option_manager = '-v /var/ossec/etc/rootCA.pem'
         } elsif $wazuh_manager_root_ca_pem_path != undef {
-          validate_legacy(String, 'validate_string', $wazuh_manager_root_ca_pem)
+          validate_legacy(String, 'validate_string', $wazuh_manager_root_ca_pem_path)
           $agent_auth_option_manager = "-v ${wazuh_manager_root_ca_pem_path}"
         } else {
           $agent_auth_option_manager = ''  # Avoid errors when compounding final command