diff --git a/CHANGES b/CHANGES
index 7844bb79e9..371d18d057 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2,6 +2,10 @@
 
 Changes with Apache 2.3.14
 
+  *) mod_proxy: enable absolute URLs to be rewritten with ProxyPassReverse,
+     e.g. to reverse proxy "Location: https://other-internal-server/login"
+     [Nick Kew]
+
   *) prefork, worker, event: Make sure crashes are logged to the error log if
      httpd has already detached from the console. [Stefan Fritsch]
 
diff --git a/modules/proxy/proxy_util.c b/modules/proxy/proxy_util.c
index d78b5f6a91..25fd26c82a 100644
--- a/modules/proxy/proxy_util.c
+++ b/modules/proxy/proxy_util.c
@@ -1144,12 +1144,12 @@ PROXY_DECLARE(const char *) ap_proxy_location_reverse_map(request_rec *r,
                             && strncmp(urlpart, url + l2, l3) == 0) {
                         u = apr_pstrcat(r->pool, ent[i].fake, &url[l2 + l3],
                                         NULL);
-                        return ap_construct_url(r->pool, u, r);
+                        return ap_is_url(u) ? u : ap_construct_url(r->pool, u, r);
                     }
                 }
                 else if (l1 >= l2 && strncasecmp((*worker)->s->name, url, l2) == 0) {
                     u = apr_pstrcat(r->pool, ent[i].fake, &url[l2], NULL);
-                    return ap_construct_url(r->pool, u, r);
+                    return ap_is_url(u) ? u : ap_construct_url(r->pool, u, r);
                 }
                 worker++;
             }
@@ -1174,7 +1174,7 @@ PROXY_DECLARE(const char *) ap_proxy_location_reverse_map(request_rec *r,
             }
             if (l1 >= l2 && strncasecmp(real, part, l2) == 0) {
                 u = apr_pstrcat(r->pool, ent[i].fake, &part[l2], NULL);
-                return ap_construct_url(r->pool, u, r);
+                return ap_is_url(u) ? u : ap_construct_url(r->pool, u, r);
             }
         }
     }