diff --git a/apisix/cli/ngx_tpl.lua b/apisix/cli/ngx_tpl.lua
index 041a2d62..d0c3b320 100644
--- a/apisix/cli/ngx_tpl.lua
+++ b/apisix/cli/ngx_tpl.lua
@@ -502,6 +502,7 @@ http {
             set $upstream_host               $http_host;
             set $upstream_uri                '';
             set $ctx_ref                     '';
+            set $from_error_page             '';
 
             {% if enabled_plugins["dubbo-proxy"] then %}
             set $dubbo_service_name          '';
diff --git a/t/APISIX.pm b/t/APISIX.pm
index 68821bdb..388ade92 100644
--- a/t/APISIX.pm
+++ b/t/APISIX.pm
@@ -554,6 +554,7 @@ _EOC_
             set \$upstream_host               \$http_host;
             set \$upstream_uri                '';
             set \$ctx_ref                     '';
+            set \$from_error_page             '';
 
             set \$upstream_cache_zone            off;
             set \$upstream_cache_key             '';