diff --git a/auto/options b/auto/options
index 742a9f825..3b3ee0fae 100644
--- a/auto/options
+++ b/auto/options
@@ -309,6 +309,7 @@ cat << END
   --with-http_realip_module          enable ngx_http_realip_module
   --with-http_addition_module        enable ngx_http_addition_module
   --with-http_xslt_module            enable ngx_http_xslt_module
+  --with-http_image_filter_module    enable ngx_http_image_filter_module
   --with-http_sub_module             enable ngx_http_sub_module
   --with-http_dav_module             enable ngx_http_dav_module
   --with-http_flv_module             enable ngx_http_flv_module