diff --git a/config.ts b/config.ts
index 630cf6c..e9ef665 100644
--- a/config.ts
+++ b/config.ts
@@ -1,15 +1,30 @@
 import { load } from "@std/dotenv";
-import { parse } from "jsr:@std/yaml";
+import { parse as parseYaml } from "jsr:@std/yaml";
 import { log } from "./log.ts";
 
 const dirname = Deno.cwd();
+
 await load({ envPath: `${dirname}/.env`, export: true });
 
+let userConfigPath: string = '';
 let staticUsers: { [key: string]: string } = {};
 
+const defaultUserConfigPaths = [
+  "/etc/substr/users.yaml",
+  `${dirname}/users.yaml`
+]
+
+for (const path of defaultUserConfigPaths) {
+  const fileInfo = await Deno.lstat(path).catch(_e => undefined);
+  if (fileInfo && fileInfo.isFile) {
+    userConfigPath = path;
+    break;
+  }
+}
+
 try {
-  const yamlContent = await Deno.readTextFile(`${dirname}/users.yaml`);
-  const parsedContent = parse(yamlContent);
+  const fileContent = await Deno.readTextFile(userConfigPath);
+  const parsedContent = parseYaml(fileContent);
   if (parsedContent !== null && typeof parsedContent === "object") {
     staticUsers = parsedContent as { [key: string]: string };
     log(`Serving content for pubkeys in users.yaml`, "blue");