diff --git a/config b/config
index 34f42ec..b252748 100644
--- a/config
+++ b/config
@@ -15,7 +15,14 @@ if [ "$HTTP_UWSGI" = "YES" ]; then
 fi
 
 ngx_addon_name=ngx_http_cache_purge_module
-HTTP_MODULES="$HTTP_MODULES ngx_http_cache_purge_module"
-NGX_ADDON_SRCS="$NGX_ADDON_SRCS $ngx_addon_dir/ngx_cache_purge_module.c"
 
+if test -n "$ngx_module_link"; then
+    ngx_module_type=HTTP
+    ngx_module_name=ngx_http_cache_purge_module
+    ngx_module_srcs="$ngx_addon_dir/ngx_cache_purge_module.c"
+    . auto/module
+else
+    HTTP_MODULES="$HTTP_MODULES ngx_http_cache_purge_module"
+    NGX_ADDON_SRCS="$NGX_ADDON_SRCS $ngx_addon_dir/ngx_cache_purge_module.c"
+fi
 have=NGX_CACHE_PURGE_MODULE . auto/have