1diff --git a/ngx_http_upstream_fair_module.c b/ngx_http_upstream_fair_module.c
2index a4419ca..af80bba 100644
3--- a/ngx_http_upstream_fair_module.c
4+++ b/ngx_http_upstream_fair_module.c
5@@ -9,6 +9,10 @@
6 #include <ngx_core.h>
7 #include <ngx_http.h>
8
9+#if (NGX_HTTP_UPSTREAM_CHECK)
10+#include "ngx_http_upstream_check_module.h"
11+#endif
12+
13 typedef struct {
14     ngx_uint_t                          nreq;
15     ngx_uint_t                          total_req;
16@@ -42,6 +42,10 @@ typedef struct {
17     ngx_uint_t                          max_fails;
18     time_t                              fail_timeout;
19
20+#if (NGX_HTTP_UPSTREAM_CHECK)
21+    ngx_uint_t                          check_index;
22+#endif
23+
24     time_t                              accessed;
25     ngx_uint_t                          down:1;
26
27@@ -474,6 +478,15 @@ ngx_http_upstream_init_fair_rr(ngx_conf_t *cf, ngx_http_upstream_srv_conf_t *us)
28                 peers->peer[n].fail_timeout = server[i].fail_timeout;
29                 peers->peer[n].down = server[i].down;
30                 peers->peer[n].weight = server[i].down ? 0 : server[i].weight;
31+#if (NGX_HTTP_UPSTREAM_CHECK)
32+                if (!server[i].down) {
33+                    peers->peer[n].check_index =
34+                        ngx_http_upstream_check_add_peer(cf, us, &server[i].addrs[j]);
35+                }
36+                else {
37+                    peers->peer[n].check_index = (ngx_uint_t) NGX_ERROR;
38+                }
39+#endif
40                 n++;
41             }
42         }
43@@ -524,6 +537,15 @@ ngx_http_upstream_init_fair_rr(ngx_conf_t *cf, ngx_http_upstream_srv_conf_t *us)
44                 backup->peer[n].max_fails = server[i].max_fails;
45                 backup->peer[n].fail_timeout = server[i].fail_timeout;
46                 backup->peer[n].down = server[i].down;
47+#if (NGX_HTTP_UPSTREAM_CHECK)
48+                if (!server[i].down) {
49+                    backup->peer[n].check_index =
50+                        ngx_http_upstream_check_add_peer(cf, us, &server[i].addrs[j]);
51+                }
52+                else {
53+                    backup->peer[n].check_index = (ngx_uint_t) NGX_ERROR;
54+                }
55+#endif
56                 n++;
57             }
58         }
59@@ -580,6 +602,9 @@ ngx_http_upstream_init_fair_rr(ngx_conf_t *cf, ngx_http_upstream_srv_conf_t *us)
60         peers->peer[i].weight = 1;
61         peers->peer[i].max_fails = 1;
62         peers->peer[i].fail_timeout = 10;
63+#if (NGX_HTTP_UPSTREAM_CHECK)
64+        peers->peer[i].check_index = (ngx_uint_t) NGX_ERROR;
65+#endif
66     }
67
68     us->peer.data = peers;
69@@ -723,6 +748,12 @@ ngx_http_upstream_fair_try_peer(ngx_peer_connection_t *pc,
70     peer = &fp->peers->peer[peer_id];
71
72     if (!peer->down) {
73+#if (NGX_HTTP_UPSTREAM_CHECK)
74+        ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0,
75+                       "[upstream_fair] get fair peer, check_index: %ui",
76+                       peer->check_index);
77+        if (!ngx_http_upstream_check_peer_down(peer->check_index)) {
78+#endif
79         if (peer->max_fails == 0 || peer->shared->fails < peer->max_fails) {
80             return NGX_OK;
81         }
82@@ -733,6 +764,9 @@ ngx_http_upstream_fair_try_peer(ngx_peer_connection_t *pc,
83             peer->shared->fails = 0;
84             return NGX_OK;
85         }
86+#if (NGX_HTTP_UPSTREAM_CHECK)
87+        }
88+#endif
89     }
90
91     return NGX_BUSY;
92