diff --git a/src/http/ngx_http_upstream_round_robin.h b/src/http/ngx_http_upstream_round_robin.h
index f2c573f3f..355620add 100644
--- a/src/http/ngx_http_upstream_round_robin.h
+++ b/src/http/ngx_http_upstream_round_robin.h
@@ -42,11 +42,11 @@ struct ngx_http_upstream_rr_peer_s {
     int                             ssl_session_len;
 #endif
 
-    ngx_http_upstream_rr_peer_t    *next;
-
 #if (NGX_HTTP_UPSTREAM_ZONE)
     ngx_atomic_t                    lock;
 #endif
+
+    ngx_http_upstream_rr_peer_t    *next;
 };
 
 
diff --git a/src/stream/ngx_stream_upstream_round_robin.h b/src/stream/ngx_stream_upstream_round_robin.h
index 452c2e927..bdec0b826 100644
--- a/src/stream/ngx_stream_upstream_round_robin.h
+++ b/src/stream/ngx_stream_upstream_round_robin.h
@@ -42,11 +42,11 @@ struct ngx_stream_upstream_rr_peer_s {
     int                              ssl_session_len;
 #endif
 
-    ngx_stream_upstream_rr_peer_t   *next;
-
 #if (NGX_STREAM_UPSTREAM_ZONE)
     ngx_atomic_t                     lock;
 #endif
+
+    ngx_stream_upstream_rr_peer_t   *next;
 };