Index: modules/proxy/mod_proxy.c
===================================================================
--- modules/proxy/mod_proxy.c   (revision 1753164)
+++ modules/proxy/mod_proxy.c   (working copy)
@@ -1273,17 +1273,25 @@
      * the error page on the proxy or if the error was not generated by the
      * backend itself but by the proxy e.g. a bad gateway) in order to give
      * ap_proxy_post_request a chance to act correctly on the status code.
+     * But only do the above if access_status is not OK or DONE, because
+     * in this case r->status might contain the true status and overwriting
+     * it with OK or DONE would be wrong.
      */
-    saved_status = r->status;
-    r->status = access_status;
-    ap_proxy_post_request(worker, balancer, r, conf);
-    /*
-     * Only restore r->status if it has not been changed by
-     * ap_proxy_post_request as we assume that this change was intentional.
-     */
-    if (r->status == access_status) {
-        r->status = saved_status;
+    if ((access_status != OK) || (access_status != DONE)) {
+        saved_status = r->status;
+        r->status = access_status;
+        ap_proxy_post_request(worker, balancer, r, conf);
+        /*
+         * Only restore r->status if it has not been changed by
+         * ap_proxy_post_request as we assume that this change was intentional.
+         */
+        if (r->status == access_status) {
+            r->status = saved_status;
+        }
     }
+    else {
+        ap_proxy_post_request(worker, balancer, r, conf);
+    }

     proxy_run_request_status(&access_status, r);
     AP_PROXY_RUN_FINISHED(r, attempts, access_status);