diff --git a/config b/config
index fdb016c..f1de029 100644
--- a/config
+++ b/config
@@ -1,3 +1,15 @@
 ngx_addon_name=ngx_http_subs_filter_module
-HTTP_AUX_FILTER_MODULES="$HTTP_AUX_FILTER_MODULES ngx_http_subs_filter_module"
-NGX_ADDON_SRCS="$NGX_ADDON_SRCS $ngx_addon_dir/ngx_http_subs_filter_module.c"
+
+if test -n "$ngx_module_link"; then
+    ngx_module_type=HTTP_FILTER
+    ngx_module_name=ngx_http_subs_filter_module
+    ngx_module_incs=
+    ngx_module_deps=
+    ngx_module_srcs="$ngx_addon_dir/ngx_http_subs_filter_module.c"
+    ngx_module_libs=""
+
+    . auto/module
+else
+    HTTP_AUX_FILTER_MODULES="$HTTP_AUX_FILTER_MODULES ngx_http_subs_filter_module"
+    NGX_ADDON_SRCS="$NGX_ADDON_SRCS $ngx_addon_dir/ngx_http_subs_filter_module.c"
+fi