diff --git a/docs/log-message-tags/next-number b/docs/log-message-tags/next-number
index c23f36d645..d302c9cbfa 100644
--- a/docs/log-message-tags/next-number
+++ b/docs/log-message-tags/next-number
@@ -1 +1 @@
-10124
+10125
diff --git a/modules/proxy/mod_proxy_http.c b/modules/proxy/mod_proxy_http.c
index 115bf714e7..5c11f8a3d8 100644
--- a/modules/proxy/mod_proxy_http.c
+++ b/modules/proxy/mod_proxy_http.c
@@ -1198,7 +1198,7 @@ static void ap_proxy_read_headers(request_rec *r, request_rec *rr,
 
         /* The header could not fit in the provided buffer. */
         if (rc == APR_ENOSPC) {
-            ap_log_rerror(APLOG_MARK, APLOG_WARNING, rc, r, APLOGNO()
+            ap_log_rerror(APLOG_MARK, APLOG_WARNING, rc, r, APLOGNO(10124)
                     "header size is over the limit allowed by ResponseFieldSize (%d bytes). "
                     "Bad response header '%s': '%.*s'...",
                     size, buffer, 80, value);