1 files changed, 1 insertions, 1 deletions
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;