diff --git a/lib/resty/upstream/healthcheck.lua b/lib/resty/upstream/healthcheck.lua
index 4a6e305..f2c77ff 100644
--- a/lib/resty/upstream/healthcheck.lua
+++ b/lib/resty/upstream/healthcheck.lua
@@ -256,7 +256,7 @@ local function check_peer(ctx, id, peer, is_backup)
                         if not statuses[status] then
                             if not peer.down then
                                 errlog("bad status code from ",
-                                       name, ": ", status)
+                                       name, ": ", status_line)
                             end
                             peer_fail(ctx, is_backup, id, peer)
                         else