diff --git a/include/evse_security/evse_security.hpp b/include/evse_security/evse_security.hpp
index 9046471..8f60006 100644
--- a/include/evse_security/evse_security.hpp
+++ b/include/evse_security/evse_security.hpp
@@ -101,9 +101,10 @@ class EvseSecurity {
     /// @param country
     /// @param organization
     /// @param common
+    /// @param use_tpm  If the TPM should be used for the CSR request
     /// @return the PEM formatted certificate signing request
     std::string generate_certificate_signing_request(LeafCertificateType certificate_type, const std::string& country,
-                                                     const std::string& organization, const std::string& common);
+                                                     const std::string& organization, const std::string& common, bool use_tpm);
 
     /// @brief Searches the filesystem on the specified directories for the given \p certificate_type and retrieves the
     /// most recent certificate that is already valid and the respective key.  If no certificate is present or no key is
diff --git a/lib/evse_security/evse_security.cpp b/lib/evse_security/evse_security.cpp
index a818ea6..75ec33d 100644
--- a/lib/evse_security/evse_security.cpp
+++ b/lib/evse_security/evse_security.cpp
@@ -559,7 +559,8 @@ bool EvseSecurity::is_ca_certificate_installed(CaCertificateType certificate_typ
 std::string EvseSecurity::generate_certificate_signing_request(LeafCertificateType certificate_type,
                                                                const std::string& country,
                                                                const std::string& organization,
-                                                               const std::string& common) {
+                                                               const std::string& common,
+                                                               bool use_tpm) {
     fs::path key_path;
 
     const auto file_name = std::string("SECC_LEAF_") + filesystem_utils::get_random_file_name(KEY_EXTENSION.string());
@@ -574,9 +575,6 @@ std::string EvseSecurity::generate_certificate_signing_request(LeafCertificateTy
     std::string csr;
     CertificateSigningRequestInfo info;
 
-    // TODO(ioan): get this from the parameter when the interface will support it
-    bool use_tpm = false;
-
     info.n_version = 0;
     info.commonName = common;
     info.country = country;