diff --git a/src/scripting/perl/hooks.c b/src/scripting/perl/hooks.c
index 54b9b1e5..31071c6d 100644
--- a/src/scripting/perl/hooks.c
+++ b/src/scripting/perl/hooks.c
@@ -164,6 +164,8 @@ script_hook_pre_format_html(va_list ap, void *data)
 	struct fragment *fragment = get_cache_fragment(cached);
 	char *url = struri(cached->uri);
 
+	evhook_use_params(ses && cached);
+
 	if (my_perl && url && cached->length && *fragment->data)
 		do_script_hook_pre_format_html(url, cached, fragment);