diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c
index f7ebacb40..60aff8c3d 100644
--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -3482,7 +3482,7 @@ ngx_http_core_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
                               prev->keepalive_header, 0);
     ngx_conf_merge_uint_value(conf->keepalive_requests,
                               prev->keepalive_requests, 100);
-    ngx_conf_merge_msec_value(conf->lingering_close,
+    ngx_conf_merge_uint_value(conf->lingering_close,
                               prev->lingering_close, NGX_HTTP_LINGERING_ON);
     ngx_conf_merge_msec_value(conf->lingering_time,
                               prev->lingering_time, 30000);