diff --git a/app/web/src/render/site/site-loader.tsx b/app/web/src/render/site/site-loader.tsx
index dddf065d..a2456d93 100644
--- a/app/web/src/render/site/site-loader.tsx
+++ b/app/web/src/render/site/site-loader.tsx
@@ -16,6 +16,7 @@ export const siteLoader: Loader = {
     cache.pages = res.pages;
     cache.api = res.api;
 
+    if (typeof w.basepath === "undefined") w.basepath = "";
     w.serverurl = res.site.config.api_url;
     w.apiurl = res.site.config.api_url;
 
@@ -48,7 +49,7 @@ export const siteLoader: Loader = {
 };
 
 const load = async (url: string) => {
-  const res = await fetch(`${base}${url}`);
+  const res = await fetch(`${w.basepath}${base}${url}`);
   const text = await res.text();
   const json = JSON.parse(text);
   return json;
diff --git a/app/web/src/utils/script/init-api.ts b/app/web/src/utils/script/init-api.ts
index ecd871db..e0bfff21 100644
--- a/app/web/src/utils/script/init-api.ts
+++ b/app/web/src/utils/script/init-api.ts
@@ -9,6 +9,7 @@ export const w = window as unknown as {
   dbClient: typeof dbClient;
   serverurl: string;
   apiurl: string;
+  basepath: string;
 };
 
 export const createAPI = (url: string) => {