diff --git a/modules/proxy/mod_proxy_balancer.c b/modules/proxy/mod_proxy_balancer.c
index 80e64944e8..98684a2851 100644
--- a/modules/proxy/mod_proxy_balancer.c
+++ b/modules/proxy/mod_proxy_balancer.c
@@ -1412,7 +1412,7 @@ static int balancer_handler(request_rec *r)
                     /* by default, all new workers are disabled */
                     ap_proxy_set_wstatus(PROXY_WORKER_DISABLED_FLAG, 1, nworker);
                 } else {
-                            ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, APLOGNO(01207)
+                            ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(01207)
                                   "%s: failed to add worker %s",
                                   bsel->s->name, val);
                     PROXY_GLOBAL_UNLOCK(bsel);
@@ -1424,7 +1424,7 @@ static int balancer_handler(request_rec *r)
                                   bsel->s->name);
                 }
             } else {
-                ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, APLOGNO(01207)
+                ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(01207)
                                   "%s: failed to add worker %s",
                                   bsel->s->name, val);
                 return HTTP_BAD_REQUEST;