diff --git a/docs/log-message-tags/next-number b/docs/log-message-tags/next-number
index 48d94d2c37..10347e113b 100644
--- a/docs/log-message-tags/next-number
+++ b/docs/log-message-tags/next-number
@@ -1 +1 @@
-10264
+10266
diff --git a/modules/ssl/ssl_engine_kernel.c b/modules/ssl/ssl_engine_kernel.c
index 9306ec07a2..623d12d9e4 100644
--- a/modules/ssl/ssl_engine_kernel.c
+++ b/modules/ssl/ssl_engine_kernel.c
@@ -2324,14 +2324,14 @@ static apr_status_t set_challenge_creds(conn_rec *c, const char *servername,
     sslcon->service_unavailable = 1;
     if (cert_file) {
         if (SSL_use_certificate_chain_file(ssl, cert_file) < 1) {
-            ap_log_cerror(APLOG_MARK, APLOG_WARNING, 0, c, APLOGNO()
+            ap_log_cerror(APLOG_MARK, APLOG_WARNING, 0, c, APLOGNO(10264)
                           "Failed to configure challenge certificate %s",
                           servername);
             return APR_EGENERAL;
         }
         if (key_file == NULL) key_file = cert_file;
         if (SSL_use_PrivateKey_file(ssl, key_file, SSL_FILETYPE_PEM) < 1) {
-            ap_log_cerror(APLOG_MARK, APLOG_WARNING, 0, c, APLOGNO()
+            ap_log_cerror(APLOG_MARK, APLOG_WARNING, 0, c, APLOGNO(10265)
                           "Failed to configure challenge private key %s",
                           servername);
             return APR_EGENERAL;