diff --git a/lib/base/tlsutility.cpp b/lib/base/tlsutility.cpp
index 803eecb7e..eb35139ea 100644
--- a/lib/base/tlsutility.cpp
+++ b/lib/base/tlsutility.cpp
@@ -684,10 +684,10 @@ bool IsCertUptodate(const std::shared_ptr<X509>& cert)
 	return X509_cmp_time(X509_get_notBefore(cert.get()), &forceRenewalEnd) != -1 && X509_cmp_time(X509_get_notAfter(cert.get()), &renewalStart) != -1;
 }
 
-String CertificateToString(const std::shared_ptr<X509>& cert)
+String CertificateToString(X509* cert)
 {
 	BIO *mem = BIO_new(BIO_s_mem());
-	PEM_write_bio_X509(mem, cert.get());
+	PEM_write_bio_X509(mem, cert);
 
 	char *data;
 	long len = BIO_get_mem_data(mem, &data);
diff --git a/lib/base/tlsutility.hpp b/lib/base/tlsutility.hpp
index b0ab17c44..5bc5671b8 100644
--- a/lib/base/tlsutility.hpp
+++ b/lib/base/tlsutility.hpp
@@ -45,7 +45,12 @@ int MakeX509CSR(const String& cn, const String& keyfile, const String& csrfile =
 std::shared_ptr<X509> CreateCert(EVP_PKEY *pubkey, X509_NAME *subject, X509_NAME *issuer, EVP_PKEY *cakey, bool ca);
 
 String GetIcingaCADir();
-String CertificateToString(const std::shared_ptr<X509>& cert);
+String CertificateToString(X509* cert);
+
+inline String CertificateToString(const std::shared_ptr<X509>& cert)
+{
+	return CertificateToString(cert.get());
+}
 
 std::shared_ptr<X509> StringToCertificate(const String& cert);
 std::shared_ptr<X509> CreateCertIcingaCA(EVP_PKEY *pubkey, X509_NAME *subject);