diff --git a/src/core/ngx_connection.c b/src/core/ngx_connection.c
index b873db2..fe75264 100644
--- a/src/core/ngx_connection.c
+++ b/src/core/ngx_connection.c
@@ -123,6 +123,8 @@
                                           ntohs(sin->sin_port))
                               - ls[i].addr_text.data;
 
+        ls[i].backlog = -1;
+
 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
 
         ngx_memzero(&af, sizeof(struct accept_filter_arg));
@@ -467,7 +469,8 @@
         return 0;
     }
 
-    if (err == NGX_ECONNRESET
+    if (err == 0
+        || err == NGX_ECONNRESET
 #if !(NGX_WIN32)
         || err == NGX_EPIPE
 #endif