diff --git a/src/http/ngx_http_script.c b/src/http/ngx_http_script.c
index 95c1cc1..55efee7 100644
--- a/src/http/ngx_http_script.c
+++ b/src/http/ngx_http_script.c
@@ -574,6 +574,7 @@
     ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
                    "http script args");
 
+    e->is_args = 1;
     e->args = e->pos;
     e->ip += sizeof(uintptr_t);
 }