diff --git a/src/index.ts b/src/index.ts
index 90a8a73..af91e73 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -104,7 +104,7 @@ app.get("/:slug.html", async (req, res) => {
   }
   else {
     const filename = article.file.replace(/\.md$/, ".html");
-    res.sendFile(filename);
+    res.sendFile(process.env.base_dir + "/" + filename);
   }
 });
 
@@ -115,7 +115,7 @@ app.get("/:slug.md", async (req, res) => {
     res.status(404).send("not found");
   }
   else {
-    res.sendFile(article.file);
+    res.sendFile(process.env.base_dir + "/" + article.file);
   }
 });
 
diff --git a/src/net.ts b/src/net.ts
index d2369a5..d743375 100644
--- a/src/net.ts
+++ b/src/net.ts
@@ -101,7 +101,7 @@ export const getPublicKey = async (actorUrl: string, signedInit: SignedInit): Pr
     else return null;
 };
 
-const domainStripper = new RegExp("/@" + process.env.blog_url?.replace(".", "\\.") + "$/i");
+const domainStripper = new RegExp("@" + process.env.blog_host?.replaceAll(".", "\\.") + "$", "i");
 
 export const handleWebfingerGet = async (req: Request, res: Response) => {
     let nickname = req.query.resource;