diff --git a/apisix/upstream.lua b/apisix/upstream.lua
index f41364162f5a6..45f244161e98f 100644
--- a/apisix/upstream.lua
+++ b/apisix/upstream.lua
@@ -134,10 +134,13 @@ local function create_checker(upstream)
 
     local host = upstream.checks and upstream.checks.active and upstream.checks.active.host
     local port = upstream.checks and upstream.checks.active and upstream.checks.active.port
-    local up_hdr = upstream.pass_host == "rewrite" and upstream.upstream_host
-    local use_node_hdr = upstream.pass_host == "node"
     for _, node in ipairs(upstream.nodes) do
-        local host_hdr = up_hdr or (use_node_hdr and node.domain)
+        local host_hdr
+        if upstream.pass_host == "rewrite" and upstream.upstream_host then
+            host_hdr = upstream.upstream_host
+        elseif upstream.pass_host == "node" and node.domain then
+            host_hdr = node.domain
+        end
         local ok, err = checker:add_target(node.host, port or node.port, host,
                                            true, host_hdr)
         if not ok then