2 files changed, 2 insertions, 2 deletions
diff --git a/src/cert/x509cert/x509_ext.cpp b/src/cert/x509cert/x509_ext.cpp
index 873de4264..919fb790a 100644
--- a/src/cert/x509cert/x509_ext.cpp
+++ b/src/cert/x509cert/x509_ext.cpp
@@ -36,7 +36,7 @@ Certificate_Extension* Extensions::get_extension(const OID& oid)
    X509_EXTENSION("X509v3.CertificatePolicies", Certificate_Policies);
    X509_EXTENSION("X509v3.ReasonCode", CRL_ReasonCode);
 
-   return 0;
+   return nullptr;
    }
 
 /*
diff --git a/src/cert/x509cert/x509cert.cpp b/src/cert/x509cert/x509cert.cpp
index 8dc4b8b0c..95033f75e 100644
--- a/src/cert/x509cert/x509cert.cpp
+++ b/src/cert/x509cert/x509cert.cpp
@@ -385,7 +385,7 @@ std::string X509_Certificate::to_string() const
                                "DNS",
                                "URI",
                                "PKIX.XMPPAddr",
-                               0 };
+                               nullptr };
 
    std::ostringstream out;