Index: modules/aaa/mod_authz_host.c
===================================================================
--- modules/aaa/mod_authz_host.c	(revision 614286)
+++ modules/aaa/mod_authz_host.c	(working copy)
@@ -297,8 +297,9 @@
     if (ret == HTTP_FORBIDDEN
         && (ap_satisfies(r) != SATISFY_ANY || !ap_some_auth_required(r))) {
         ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
-            "client denied by server configuration: %s",
-            r->filename);
+            "client denied by server configuration: %s%s",
+            r->filename ? "" : "uri ",
+            r->filename ? r->filename : r->uri);
     }
 
     return ret;