ngx_str_set() and ngx_str_null()
diff --git a/src/http/ngx_http_script.c b/src/http/ngx_http_script.c
index aa03df0..5ccce00 100644
--- a/src/http/ngx_http_script.c
+++ b/src/http/ngx_http_script.c
@@ -1008,8 +1008,7 @@
         }
 
         r->headers_out.location->hash = 1;
-        r->headers_out.location->key.len = sizeof("Location") - 1;
-        r->headers_out.location->key.data = (u_char *) "Location";
+        ngx_str_set(&r->headers_out.location->key, "Location");
         r->headers_out.location->value = e->buf;
 
         e->ip += sizeof(ngx_http_script_regex_end_code_t);